312889720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2879}}^1$

素因数の和:2933

約数の個数: 128

約数和(自身を含む): 870912000

約数和(自身を除く): 558022280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 572, 715, 760, 836, 988, 1045, 1144, 1235, 1430, 1672, 1976, 2090, 2470, 2717, 2860, 2879, 4180, 4940, 5434, 5720, 5758, 8360, 9880, 10868, 11516, 13585, 14395, 21736, 23032, 27170, 28790, 31669, 37427, 54340, 54701, 57580, 63338, 74854, 108680, 109402, 115160, 126676, 149708, 158345, 187135, 218804, 253352, 273505, 299416, 316690, 374270, 411697, 437608, 547010, 601711, 633380, 711113, 748540, 823394, 1094020, 1203422, 1266760, 1422226, 1497080, 1646788, 2058485, 2188040, 2406844, 2844452, 3008555, 3293576, 3555565, 4116970, 4813688, 5688904, 6017110, 7111130, 7822243, 8233940, 12034220, 14222260, 15644486, 16467880, 24068440, 28444520, 31288972, 39111215, 62577944, 78222430, 156444860, 312889720]

約数ペア:

[(1, 312889720), (2, 156444860), (4, 78222430), (5, 62577944), (8, 39111215), (10, 31288972), (11, 28444520), (13, 24068440), (19, 16467880), (20, 15644486), (22, 14222260), (26, 12034220), (38, 8233940), (40, 7822243), (44, 7111130), (52, 6017110), (55, 5688904), (65, 4813688), (76, 4116970), (88, 3555565), (95, 3293576), (104, 3008555), (110, 2844452), (130, 2406844), (143, 2188040), (152, 2058485), (190, 1646788), (209, 1497080), (220, 1422226), (247, 1266760), (260, 1203422), (286, 1094020), (380, 823394), (418, 748540), (440, 711113), (494, 633380), (520, 601711), (572, 547010), (715, 437608), (760, 411697), (836, 374270), (988, 316690), (1045, 299416), (1144, 273505), (1235, 253352), (1430, 218804), (1672, 187135), (1976, 158345), (2090, 149708), (2470, 126676), (2717, 115160), (2860, 109402), (2879, 108680), (4180, 74854), (4940, 63338), (5434, 57580), (5720, 54701), (5758, 54340), (8360, 37427), (9880, 31669), (10868, 28790), (11516, 27170), (13585, 23032), (14395, 21736)]