19865456520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19991}}^1$

素因数の和:20045

約数の個数: 288

約数和(自身を含む): 75073158720

約数和(自身を除く): 55207702200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 169, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 338, 364, 390, 392, 420, 455, 490, 507, 520, 546, 588, 637, 676, 728, 735, 780, 840, 845, 910, 980, 1014, 1092, 1176, 1183, 1274, 1352, 1365, 1470, 1560, 1690, 1820, 1911, 1960, 2028, 2184, 2366, 2535, 2548, 2730, 2940, 3185, 3380, 3549, 3640, 3822, 4056, 4732, 5070, 5096, 5460, 5880, 5915, 6370, 6760, 7098, 7644, 8281, 9464, 9555, 10140, 10920, 11830, 12740, 14196, 15288, 16562, 17745, 19110, 19991, 20280, 23660, 24843, 25480, 28392, 33124, 35490, 38220, 39982, 41405, 47320, 49686, 59973, 66248, 70980, 76440, 79964, 82810, 99372, 99955, 119946, 124215, 139937, 141960, 159928, 165620, 198744, 199910, 239892, 248430, 259883, 279874, 299865, 331240, 399820, 419811, 479784, 496860, 519766, 559748, 599730, 699685, 779649, 799640, 839622, 979559, 993720, 1039532, 1119496, 1199460, 1299415, 1399370, 1559298, 1679244, 1819181, 1959118, 2079064, 2099055, 2398920, 2598830, 2798740, 2938677, 3118596, 3358488, 3378479, 3638362, 3898245, 3918236, 4198110, 4897795, 5197660, 5457543, 5597480, 5877354, 6237192, 6756958, 7276724, 7796490, 7836472, 8396220, 9095905, 9795590, 10135437, 10395320, 10915086, 11754708, 12734267, 13513916, 14553448, 14693385, 15592980, 16792440, 16892395, 18191810, 19591180, 20270874, 21830172, 23509416, 23649353, 25468534, 27027832, 27287715, 29386770, 31185960, 33784790, 36383620, 38202801, 39182360, 40541748, 43660344, 47298706, 50677185, 50937068, 54575430, 58773540, 63671335, 67569580, 70948059, 72767240, 76405602, 81083496, 94597412, 101354370, 101874136, 109150860, 117547080, 118246765, 127342670, 135139160, 141896118, 152811204, 165545471, 189194824, 191014005, 202708740, 218301720, 236493530, 254685340, 283792236, 305622408, 331090942, 354740295, 382028010, 405417480, 472987060, 496636413, 509370680, 567584472, 662181884, 709480590, 764056020, 827727355, 945974120, 993272826, 1324363768, 1418961180, 1528112040, 1655454710, 1986545652, 2483182065, 2837922360, 3310909420, 3973091304, 4966364130, 6621818840, 9932728260, 19865456520]

約数ペア:

[(1, 19865456520), (2, 9932728260), (3, 6621818840), (4, 4966364130), (5, 3973091304), (6, 3310909420), (7, 2837922360), (8, 2483182065), (10, 1986545652), (12, 1655454710), (13, 1528112040), (14, 1418961180), (15, 1324363768), (20, 993272826), (21, 945974120), (24, 827727355), (26, 764056020), (28, 709480590), (30, 662181884), (35, 567584472), (39, 509370680), (40, 496636413), (42, 472987060), (49, 405417480), (52, 382028010), (56, 354740295), (60, 331090942), (65, 305622408), (70, 283792236), (78, 254685340), (84, 236493530), (91, 218301720), (98, 202708740), (104, 191014005), (105, 189194824), (120, 165545471), (130, 152811204), (140, 141896118), (147, 135139160), (156, 127342670), (168, 118246765), (169, 117547080), (182, 109150860), (195, 101874136), (196, 101354370), (210, 94597412), (245, 81083496), (260, 76405602), (273, 72767240), (280, 70948059), (294, 67569580), (312, 63671335), (338, 58773540), (364, 54575430), (390, 50937068), (392, 50677185), (420, 47298706), (455, 43660344), (490, 40541748), (507, 39182360), (520, 38202801), (546, 36383620), (588, 33784790), (637, 31185960), (676, 29386770), (728, 27287715), (735, 27027832), (780, 25468534), (840, 23649353), (845, 23509416), (910, 21830172), (980, 20270874), (1014, 19591180), (1092, 18191810), (1176, 16892395), (1183, 16792440), (1274, 15592980), (1352, 14693385), (1365, 14553448), (1470, 13513916), (1560, 12734267), (1690, 11754708), (1820, 10915086), (1911, 10395320), (1960, 10135437), (2028, 9795590), (2184, 9095905), (2366, 8396220), (2535, 7836472), (2548, 7796490), (2730, 7276724), (2940, 6756958), (3185, 6237192), (3380, 5877354), (3549, 5597480), (3640, 5457543), (3822, 5197660), (4056, 4897795), (4732, 4198110), (5070, 3918236), (5096, 3898245), (5460, 3638362), (5880, 3378479), (5915, 3358488), (6370, 3118596), (6760, 2938677), (7098, 2798740), (7644, 2598830), (8281, 2398920), (9464, 2099055), (9555, 2079064), (10140, 1959118), (10920, 1819181), (11830, 1679244), (12740, 1559298), (14196, 1399370), (15288, 1299415), (16562, 1199460), (17745, 1119496), (19110, 1039532), (19991, 993720), (20280, 979559), (23660, 839622), (24843, 799640), (25480, 779649), (28392, 699685), (33124, 599730), (35490, 559748), (38220, 519766), (39982, 496860), (41405, 479784), (47320, 419811), (49686, 399820), (59973, 331240), (66248, 299865), (70980, 279874), (76440, 259883), (79964, 248430), (82810, 239892), (99372, 199910), (99955, 198744), (119946, 165620), (124215, 159928), (139937, 141960)]