8218430040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{20161}}^1$

素因数の和:20297

約数の個数: 128

約数和(自身を含む): 25549286400

約数和(自身を除く): 17330856360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 79, 86, 120, 129, 158, 172, 215, 237, 258, 316, 344, 395, 430, 474, 516, 632, 645, 790, 860, 948, 1032, 1185, 1290, 1580, 1720, 1896, 2370, 2580, 3160, 3397, 4740, 5160, 6794, 9480, 10191, 13588, 16985, 20161, 20382, 27176, 33970, 40322, 40764, 50955, 60483, 67940, 80644, 81528, 100805, 101910, 120966, 135880, 161288, 201610, 203820, 241932, 302415, 403220, 407640, 483864, 604830, 806440, 866923, 1209660, 1592719, 1733846, 2419320, 2600769, 3185438, 3467692, 4334615, 4778157, 5201538, 6370876, 6935384, 7963595, 8669230, 9556314, 10403076, 12741752, 13003845, 15927190, 17338460, 19112628, 20806152, 23890785, 26007690, 31854380, 34676920, 38225256, 47781570, 52015380, 63708760, 68486917, 95563140, 104030760, 136973834, 191126280, 205460751, 273947668, 342434585, 410921502, 547895336, 684869170, 821843004, 1027303755, 1369738340, 1643686008, 2054607510, 2739476680, 4109215020, 8218430040]

約数ペア:

[(1, 8218430040), (2, 4109215020), (3, 2739476680), (4, 2054607510), (5, 1643686008), (6, 1369738340), (8, 1027303755), (10, 821843004), (12, 684869170), (15, 547895336), (20, 410921502), (24, 342434585), (30, 273947668), (40, 205460751), (43, 191126280), (60, 136973834), (79, 104030760), (86, 95563140), (120, 68486917), (129, 63708760), (158, 52015380), (172, 47781570), (215, 38225256), (237, 34676920), (258, 31854380), (316, 26007690), (344, 23890785), (395, 20806152), (430, 19112628), (474, 17338460), (516, 15927190), (632, 13003845), (645, 12741752), (790, 10403076), (860, 9556314), (948, 8669230), (1032, 7963595), (1185, 6935384), (1290, 6370876), (1580, 5201538), (1720, 4778157), (1896, 4334615), (2370, 3467692), (2580, 3185438), (3160, 2600769), (3397, 2419320), (4740, 1733846), (5160, 1592719), (6794, 1209660), (9480, 866923), (10191, 806440), (13588, 604830), (16985, 483864), (20161, 407640), (20382, 403220), (27176, 302415), (33970, 241932), (40322, 203820), (40764, 201610), (50955, 161288), (60483, 135880), (67940, 120966), (80644, 101910), (81528, 100805)]