257395320

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 448

約数和(自身を含む): 1079709120

約数和(自身を除く): 822313800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 81, 84, 90, 91, 97, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 162, 168, 180, 182, 189, 194, 195, 210, 216, 234, 243, 252, 260, 270, 273, 280, 291, 312, 315, 324, 351, 360, 364, 378, 388, 390, 405, 420, 455, 468, 485, 486, 504, 520, 540, 546, 567, 582, 585, 630, 648, 679, 702, 728, 729, 756, 776, 780, 810, 819, 840, 873, 910, 936, 945, 970, 972, 1053, 1080, 1092, 1134, 1164, 1170, 1215, 1260, 1261, 1358, 1365, 1404, 1455, 1458, 1512, 1560, 1620, 1638, 1701, 1746, 1755, 1820, 1890, 1940, 1944, 2037, 2106, 2184, 2268, 2328, 2340, 2430, 2457, 2520, 2522, 2619, 2716, 2730, 2808, 2835, 2910, 2916, 3159, 3240, 3276, 3395, 3402, 3492, 3510, 3640, 3645, 3780, 3783, 3880, 4074, 4095, 4212, 4365, 4536, 4680, 4860, 4914, 5044, 5103, 5238, 5265, 5432, 5460, 5670, 5820, 5832, 6111, 6305, 6318, 6552, 6790, 6804, 6984, 7020, 7290, 7371, 7560, 7566, 7857, 8148, 8190, 8424, 8505, 8730, 8827, 9477, 9720, 9828, 10088, 10185, 10206, 10476, 10530, 10920, 11340, 11349, 11640, 12222, 12285, 12610, 12636, 13095, 13580, 13608, 14040, 14580, 14742, 15132, 15714, 15795, 16296, 16380, 17010, 17460, 17654, 18333, 18915, 18954, 19656, 20370, 20412, 20952, 21060, 22113, 22680, 22698, 23571, 24444, 24570, 25220, 25272, 25515, 26190, 26481, 27160, 29160, 29484, 30264, 30555, 31428, 31590, 32760, 34020, 34047, 34920, 35308, 36666, 36855, 37830, 37908, 39285, 40740, 40824, 42120, 44135, 44226, 45396, 47142, 47385, 48888, 49140, 50440, 51030, 52380, 52962, 54999, 56745, 58968, 61110, 62856, 63180, 66339, 68040, 68094, 70616, 70713, 73332, 73710, 75660, 75816, 78570, 79443, 81480, 88270, 88452, 90792, 91665, 94284, 94770, 98280, 102060, 102141, 104760, 105924, 109998, 110565, 113490, 117855, 122220, 126360, 132405, 132678, 136188, 141426, 146664, 147420, 151320, 157140, 158886, 164997, 170235, 176540, 176904, 183330, 188568, 189540, 204120, 204282, 211848, 219996, 221130, 226980, 235710, 238329, 244440, 264810, 265356, 272376, 274995, 282852, 294840, 306423, 314280, 317772, 329994, 331695, 340470, 353080, 353565, 366660, 379080, 397215, 408564, 439992, 442260, 453960, 471420, 476658, 494991, 510705, 529620, 530712, 549990, 565704, 612846, 635544, 659988, 663390, 680940, 707130, 714987, 733320, 794430, 817128, 824985, 884520, 919269, 942840, 953316, 989982, 1021410, 1059240, 1099980, 1191645, 1225692, 1319976, 1326780, 1361880, 1414260, 1429974, 1532115, 1588860, 1649970, 1838538, 1906632, 1979964, 2042820, 2144961, 2199960, 2383290, 2451384, 2474955, 2653560, 2828520, 2859948, 3064230, 3177720, 3299940, 3574935, 3677076, 3959928, 4085640, 4289922, 4596345, 4766580, 4949910, 5719896, 6128460, 6434883, 6599880, 7149870, 7354152, 8579844, 9192690, 9533160, 9899820, 10724805, 12256920, 12869766, 14299740, 17159688, 18385380, 19799640, 21449610, 25739532, 28599480, 32174415, 36770760, 42899220, 51479064, 64348830, 85798440, 128697660, 257395320]

約数ペア:

[(1, 257395320), (2, 128697660), (3, 85798440), (4, 64348830), (5, 51479064), (6, 42899220), (7, 36770760), (8, 32174415), (9, 28599480), (10, 25739532), (12, 21449610), (13, 19799640), (14, 18385380), (15, 17159688), (18, 14299740), (20, 12869766), (21, 12256920), (24, 10724805), (26, 9899820), (27, 9533160), (28, 9192690), (30, 8579844), (35, 7354152), (36, 7149870), (39, 6599880), (40, 6434883), (42, 6128460), (45, 5719896), (52, 4949910), (54, 4766580), (56, 4596345), (60, 4289922), (63, 4085640), (65, 3959928), (70, 3677076), (72, 3574935), (78, 3299940), (81, 3177720), (84, 3064230), (90, 2859948), (91, 2828520), (97, 2653560), (104, 2474955), (105, 2451384), (108, 2383290), (117, 2199960), (120, 2144961), (126, 2042820), (130, 1979964), (135, 1906632), (140, 1838538), (156, 1649970), (162, 1588860), (168, 1532115), (180, 1429974), (182, 1414260), (189, 1361880), (194, 1326780), (195, 1319976), (210, 1225692), (216, 1191645), (234, 1099980), (243, 1059240), (252, 1021410), (260, 989982), (270, 953316), (273, 942840), (280, 919269), (291, 884520), (312, 824985), (315, 817128), (324, 794430), (351, 733320), (360, 714987), (364, 707130), (378, 680940), (388, 663390), (390, 659988), (405, 635544), (420, 612846), (455, 565704), (468, 549990), (485, 530712), (486, 529620), (504, 510705), (520, 494991), (540, 476658), (546, 471420), (567, 453960), (582, 442260), (585, 439992), (630, 408564), (648, 397215), (679, 379080), (702, 366660), (728, 353565), (729, 353080), (756, 340470), (776, 331695), (780, 329994), (810, 317772), (819, 314280), (840, 306423), (873, 294840), (910, 282852), (936, 274995), (945, 272376), (970, 265356), (972, 264810), (1053, 244440), (1080, 238329), (1092, 235710), (1134, 226980), (1164, 221130), (1170, 219996), (1215, 211848), (1260, 204282), (1261, 204120), (1358, 189540), (1365, 188568), (1404, 183330), (1455, 176904), (1458, 176540), (1512, 170235), (1560, 164997), (1620, 158886), (1638, 157140), (1701, 151320), (1746, 147420), (1755, 146664), (1820, 141426), (1890, 136188), (1940, 132678), (1944, 132405), (2037, 126360), (2106, 122220), (2184, 117855), (2268, 113490), (2328, 110565), (2340, 109998), (2430, 105924), (2457, 104760), (2520, 102141), (2522, 102060), (2619, 98280), (2716, 94770), (2730, 94284), (2808, 91665), (2835, 90792), (2910, 88452), (2916, 88270), (3159, 81480), (3240, 79443), (3276, 78570), (3395, 75816), (3402, 75660), (3492, 73710), (3510, 73332), (3640, 70713), (3645, 70616), (3780, 68094), (3783, 68040), (3880, 66339), (4074, 63180), (4095, 62856), (4212, 61110), (4365, 58968), (4536, 56745), (4680, 54999), (4860, 52962), (4914, 52380), (5044, 51030), (5103, 50440), (5238, 49140), (5265, 48888), (5432, 47385), (5460, 47142), (5670, 45396), (5820, 44226), (5832, 44135), (6111, 42120), (6305, 40824), (6318, 40740), (6552, 39285), (6790, 37908), (6804, 37830), (6984, 36855), (7020, 36666), (7290, 35308), (7371, 34920), (7560, 34047), (7566, 34020), (7857, 32760), (8148, 31590), (8190, 31428), (8424, 30555), (8505, 30264), (8730, 29484), (8827, 29160), (9477, 27160), (9720, 26481), (9828, 26190), (10088, 25515), (10185, 25272), (10206, 25220), (10476, 24570), (10530, 24444), (10920, 23571), (11340, 22698), (11349, 22680), (11640, 22113), (12222, 21060), (12285, 20952), (12610, 20412), (12636, 20370), (13095, 19656), (13580, 18954), (13608, 18915), (14040, 18333), (14580, 17654), (14742, 17460), (15132, 17010), (15714, 16380), (15795, 16296)]