256832160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:631

約数の個数: 192

約数和(自身を含む): 883975680

約数和(自身を除く): 627143520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 79, 80, 96, 104, 120, 130, 156, 158, 160, 195, 208, 237, 240, 260, 312, 316, 390, 395, 416, 474, 480, 520, 521, 624, 632, 780, 790, 948, 1027, 1040, 1042, 1185, 1248, 1264, 1560, 1563, 1580, 1896, 2054, 2080, 2084, 2370, 2528, 2605, 3081, 3120, 3126, 3160, 3792, 4108, 4168, 4740, 5135, 5210, 6162, 6240, 6252, 6320, 6773, 7584, 7815, 8216, 8336, 9480, 10270, 10420, 12324, 12504, 12640, 13546, 15405, 15630, 16432, 16672, 18960, 20319, 20540, 20840, 24648, 25008, 27092, 30810, 31260, 32864, 33865, 37920, 40638, 41080, 41159, 41680, 49296, 50016, 54184, 61620, 62520, 67730, 81276, 82160, 82318, 83360, 98592, 101595, 108368, 123240, 123477, 125040, 135460, 162552, 164320, 164636, 203190, 205795, 216736, 246480, 246954, 250080, 270920, 325104, 329272, 406380, 411590, 492960, 493908, 535067, 541840, 617385, 650208, 658544, 812760, 823180, 987816, 1070134, 1083680, 1234770, 1317088, 1605201, 1625520, 1646360, 1975632, 2140268, 2469540, 2675335, 3210402, 3251040, 3292720, 3951264, 4280536, 4939080, 5350670, 6420804, 6585440, 8026005, 8561072, 9878160, 10701340, 12841608, 16052010, 17122144, 19756320, 21402680, 25683216, 32104020, 42805360, 51366432, 64208040, 85610720, 128416080, 256832160]

約数ペア:

[(1, 256832160), (2, 128416080), (3, 85610720), (4, 64208040), (5, 51366432), (6, 42805360), (8, 32104020), (10, 25683216), (12, 21402680), (13, 19756320), (15, 17122144), (16, 16052010), (20, 12841608), (24, 10701340), (26, 9878160), (30, 8561072), (32, 8026005), (39, 6585440), (40, 6420804), (48, 5350670), (52, 4939080), (60, 4280536), (65, 3951264), (78, 3292720), (79, 3251040), (80, 3210402), (96, 2675335), (104, 2469540), (120, 2140268), (130, 1975632), (156, 1646360), (158, 1625520), (160, 1605201), (195, 1317088), (208, 1234770), (237, 1083680), (240, 1070134), (260, 987816), (312, 823180), (316, 812760), (390, 658544), (395, 650208), (416, 617385), (474, 541840), (480, 535067), (520, 493908), (521, 492960), (624, 411590), (632, 406380), (780, 329272), (790, 325104), (948, 270920), (1027, 250080), (1040, 246954), (1042, 246480), (1185, 216736), (1248, 205795), (1264, 203190), (1560, 164636), (1563, 164320), (1580, 162552), (1896, 135460), (2054, 125040), (2080, 123477), (2084, 123240), (2370, 108368), (2528, 101595), (2605, 98592), (3081, 83360), (3120, 82318), (3126, 82160), (3160, 81276), (3792, 67730), (4108, 62520), (4168, 61620), (4740, 54184), (5135, 50016), (5210, 49296), (6162, 41680), (6240, 41159), (6252, 41080), (6320, 40638), (6773, 37920), (7584, 33865), (7815, 32864), (8216, 31260), (8336, 30810), (9480, 27092), (10270, 25008), (10420, 24648), (12324, 20840), (12504, 20540), (12640, 20319), (13546, 18960), (15405, 16672), (15630, 16432)]