71115240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2783

約数の個数: 128

約数和(自身を含む): 251781120

約数和(自身を除く): 180665880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 2731, 3255, 3720, 4340, 5208, 5462, 6510, 8193, 8680, 10924, 13020, 13655, 16386, 19117, 21848, 26040, 27310, 32772, 38234, 40965, 54620, 57351, 65544, 76468, 81930, 84661, 95585, 109240, 114702, 152936, 163860, 169322, 191170, 229404, 253983, 286755, 327720, 338644, 382340, 423305, 458808, 507966, 573510, 592627, 677288, 764680, 846610, 1015932, 1147020, 1185254, 1269915, 1693220, 1777881, 2031864, 2294040, 2370508, 2539830, 2963135, 3386440, 3555762, 4741016, 5079660, 5926270, 7111524, 8889405, 10159320, 11852540, 14223048, 17778810, 23705080, 35557620, 71115240]

約数ペア:

[(1, 71115240), (2, 35557620), (3, 23705080), (4, 17778810), (5, 14223048), (6, 11852540), (7, 10159320), (8, 8889405), (10, 7111524), (12, 5926270), (14, 5079660), (15, 4741016), (20, 3555762), (21, 3386440), (24, 2963135), (28, 2539830), (30, 2370508), (31, 2294040), (35, 2031864), (40, 1777881), (42, 1693220), (56, 1269915), (60, 1185254), (62, 1147020), (70, 1015932), (84, 846610), (93, 764680), (105, 677288), (120, 592627), (124, 573510), (140, 507966), (155, 458808), (168, 423305), (186, 382340), (210, 338644), (217, 327720), (248, 286755), (280, 253983), (310, 229404), (372, 191170), (420, 169322), (434, 163860), (465, 152936), (620, 114702), (651, 109240), (744, 95585), (840, 84661), (868, 81930), (930, 76468), (1085, 65544), (1240, 57351), (1302, 54620), (1736, 40965), (1860, 38234), (2170, 32772), (2604, 27310), (2731, 26040), (3255, 21848), (3720, 19117), (4340, 16386), (5208, 13655), (5462, 13020), (6510, 10924), (8193, 8680)]