1819375020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 432

約数和(自身を含む): 6500396448

約数和(自身を除く): 4681021428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 61, 68, 76, 81, 85, 90, 95, 102, 108, 114, 122, 135, 153, 162, 170, 171, 180, 183, 190, 204, 228, 243, 244, 255, 270, 285, 305, 306, 323, 324, 340, 342, 361, 366, 380, 405, 459, 486, 510, 513, 540, 549, 570, 610, 612, 646, 684, 722, 732, 765, 810, 855, 915, 918, 969, 972, 1020, 1026, 1037, 1083, 1098, 1140, 1159, 1215, 1220, 1292, 1377, 1444, 1530, 1539, 1615, 1620, 1647, 1710, 1805, 1830, 1836, 1938, 2052, 2074, 2166, 2196, 2295, 2318, 2430, 2565, 2745, 2754, 2907, 3060, 3078, 3111, 3230, 3249, 3294, 3420, 3477, 3610, 3660, 3876, 4131, 4148, 4332, 4590, 4617, 4636, 4845, 4860, 4941, 5130, 5185, 5415, 5490, 5508, 5795, 5814, 6137, 6156, 6222, 6460, 6498, 6588, 6885, 6954, 7220, 7695, 8235, 8262, 8721, 9180, 9234, 9333, 9690, 9747, 9882, 10260, 10370, 10431, 10830, 10980, 11590, 11628, 12274, 12444, 12996, 13770, 13908, 14535, 14823, 15390, 15555, 16245, 16470, 16524, 17385, 17442, 18411, 18468, 18666, 19380, 19494, 19703, 19764, 20655, 20740, 20862, 21660, 22021, 23085, 23180, 24548, 24705, 26163, 27540, 27999, 29070, 29241, 29646, 30685, 30780, 31110, 31293, 32490, 32940, 34770, 34884, 36822, 37332, 38988, 39406, 41310, 41724, 43605, 44042, 46170, 46665, 48735, 49410, 52155, 52326, 55233, 55998, 58140, 58482, 59109, 59292, 61370, 62220, 62586, 64980, 66063, 69540, 73644, 74115, 78489, 78812, 82620, 83997, 87210, 87723, 88084, 92055, 92340, 93330, 93879, 97470, 98515, 98820, 104310, 104652, 110105, 110466, 111996, 116964, 118218, 122740, 125172, 130815, 132126, 139995, 146205, 148230, 156465, 156978, 165699, 167994, 174420, 175446, 177327, 184110, 186660, 187758, 194940, 197030, 198189, 208620, 220210, 220932, 236436, 251991, 261630, 264252, 276165, 279990, 281637, 292410, 295545, 296460, 312930, 313956, 330315, 331398, 335988, 350892, 354654, 368220, 374357, 375516, 392445, 394060, 396378, 419985, 438615, 440420, 469395, 497097, 503982, 523260, 531981, 552330, 559980, 563274, 584820, 591090, 594567, 625860, 660630, 662796, 709308, 748714, 784890, 792756, 828495, 839970, 877230, 886635, 938790, 990945, 994194, 1007964, 1063962, 1104660, 1123071, 1126548, 1182180, 1189134, 1259955, 1321260, 1408185, 1491291, 1497428, 1569780, 1595943, 1656990, 1679940, 1754460, 1773270, 1783701, 1871785, 1877580, 1981890, 1988388, 2127924, 2246142, 2378268, 2485485, 2519910, 2659905, 2816370, 2972835, 2982582, 3191886, 3313980, 3369213, 3546540, 3567402, 3743570, 3963780, 4492284, 4787829, 4970970, 5039820, 5319810, 5351103, 5615355, 5632740, 5945670, 5965164, 6383772, 6738426, 7134804, 7456455, 7487140, 7979715, 8918505, 9575658, 9941940, 10107639, 10639620, 10702206, 11230710, 11891340, 13476852, 14912910, 15959430, 16846065, 17837010, 19151316, 20215278, 21404412, 22461420, 23939145, 26755515, 29825820, 30322917, 31918860, 33692130, 35674020, 40430556, 47878290, 50538195, 53511030, 60645834, 67384260, 90968751, 95756580, 101076390, 107022060, 121291668, 151614585, 181937502, 202152780, 303229170, 363875004, 454843755, 606458340, 909687510, 1819375020]

約数ペア:

[(1, 1819375020), (2, 909687510), (3, 606458340), (4, 454843755), (5, 363875004), (6, 303229170), (9, 202152780), (10, 181937502), (12, 151614585), (15, 121291668), (17, 107022060), (18, 101076390), (19, 95756580), (20, 90968751), (27, 67384260), (30, 60645834), (34, 53511030), (36, 50538195), (38, 47878290), (45, 40430556), (51, 35674020), (54, 33692130), (57, 31918860), (60, 30322917), (61, 29825820), (68, 26755515), (76, 23939145), (81, 22461420), (85, 21404412), (90, 20215278), (95, 19151316), (102, 17837010), (108, 16846065), (114, 15959430), (122, 14912910), (135, 13476852), (153, 11891340), (162, 11230710), (170, 10702206), (171, 10639620), (180, 10107639), (183, 9941940), (190, 9575658), (204, 8918505), (228, 7979715), (243, 7487140), (244, 7456455), (255, 7134804), (270, 6738426), (285, 6383772), (305, 5965164), (306, 5945670), (323, 5632740), (324, 5615355), (340, 5351103), (342, 5319810), (361, 5039820), (366, 4970970), (380, 4787829), (405, 4492284), (459, 3963780), (486, 3743570), (510, 3567402), (513, 3546540), (540, 3369213), (549, 3313980), (570, 3191886), (610, 2982582), (612, 2972835), (646, 2816370), (684, 2659905), (722, 2519910), (732, 2485485), (765, 2378268), (810, 2246142), (855, 2127924), (915, 1988388), (918, 1981890), (969, 1877580), (972, 1871785), (1020, 1783701), (1026, 1773270), (1037, 1754460), (1083, 1679940), (1098, 1656990), (1140, 1595943), (1159, 1569780), (1215, 1497428), (1220, 1491291), (1292, 1408185), (1377, 1321260), (1444, 1259955), (1530, 1189134), (1539, 1182180), (1615, 1126548), (1620, 1123071), (1647, 1104660), (1710, 1063962), (1805, 1007964), (1830, 994194), (1836, 990945), (1938, 938790), (2052, 886635), (2074, 877230), (2166, 839970), (2196, 828495), (2295, 792756), (2318, 784890), (2430, 748714), (2565, 709308), (2745, 662796), (2754, 660630), (2907, 625860), (3060, 594567), (3078, 591090), (3111, 584820), (3230, 563274), (3249, 559980), (3294, 552330), (3420, 531981), (3477, 523260), (3610, 503982), (3660, 497097), (3876, 469395), (4131, 440420), (4148, 438615), (4332, 419985), (4590, 396378), (4617, 394060), (4636, 392445), (4845, 375516), (4860, 374357), (4941, 368220), (5130, 354654), (5185, 350892), (5415, 335988), (5490, 331398), (5508, 330315), (5795, 313956), (5814, 312930), (6137, 296460), (6156, 295545), (6222, 292410), (6460, 281637), (6498, 279990), (6588, 276165), (6885, 264252), (6954, 261630), (7220, 251991), (7695, 236436), (8235, 220932), (8262, 220210), (8721, 208620), (9180, 198189), (9234, 197030), (9333, 194940), (9690, 187758), (9747, 186660), (9882, 184110), (10260, 177327), (10370, 175446), (10431, 174420), (10830, 167994), (10980, 165699), (11590, 156978), (11628, 156465), (12274, 148230), (12444, 146205), (12996, 139995), (13770, 132126), (13908, 130815), (14535, 125172), (14823, 122740), (15390, 118218), (15555, 116964), (16245, 111996), (16470, 110466), (16524, 110105), (17385, 104652), (17442, 104310), (18411, 98820), (18468, 98515), (18666, 97470), (19380, 93879), (19494, 93330), (19703, 92340), (19764, 92055), (20655, 88084), (20740, 87723), (20862, 87210), (21660, 83997), (22021, 82620), (23085, 78812), (23180, 78489), (24548, 74115), (24705, 73644), (26163, 69540), (27540, 66063), (27999, 64980), (29070, 62586), (29241, 62220), (29646, 61370), (30685, 59292), (30780, 59109), (31110, 58482), (31293, 58140), (32490, 55998), (32940, 55233), (34770, 52326), (34884, 52155), (36822, 49410), (37332, 48735), (38988, 46665), (39406, 46170), (41310, 44042), (41724, 43605)]