12880471140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{4723}}^1$

素因数の和:4986

約数の個数: 144

約数和(自身を含む): 39721281600

約数和(自身を除く): 26840810460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 139, 180, 218, 278, 327, 417, 436, 545, 556, 654, 695, 834, 981, 1090, 1251, 1308, 1390, 1635, 1668, 1962, 2085, 2180, 2502, 2780, 3270, 3924, 4170, 4723, 4905, 5004, 6255, 6540, 8340, 9446, 9810, 12510, 14169, 15151, 18892, 19620, 23615, 25020, 28338, 30302, 42507, 45453, 47230, 56676, 60604, 70845, 75755, 85014, 90906, 94460, 136359, 141690, 151510, 170028, 181812, 212535, 227265, 272718, 283380, 303020, 425070, 454530, 514807, 545436, 656497, 681795, 850140, 909060, 1029614, 1312994, 1363590, 1544421, 1969491, 2059228, 2574035, 2625988, 2727180, 3088842, 3282485, 3938982, 4633263, 5148070, 5908473, 6177684, 6564970, 7722105, 7877964, 9266526, 9847455, 10296140, 11816946, 13129940, 15444210, 18533052, 19694910, 23166315, 23633892, 29542365, 30888420, 39389820, 46332630, 59084730, 71558173, 92665260, 118169460, 143116346, 214674519, 286232692, 357790865, 429349038, 644023557, 715581730, 858698076, 1073372595, 1288047114, 1431163460, 2146745190, 2576094228, 3220117785, 4293490380, 6440235570, 12880471140]

約数ペア:

[(1, 12880471140), (2, 6440235570), (3, 4293490380), (4, 3220117785), (5, 2576094228), (6, 2146745190), (9, 1431163460), (10, 1288047114), (12, 1073372595), (15, 858698076), (18, 715581730), (20, 644023557), (30, 429349038), (36, 357790865), (45, 286232692), (60, 214674519), (90, 143116346), (109, 118169460), (139, 92665260), (180, 71558173), (218, 59084730), (278, 46332630), (327, 39389820), (417, 30888420), (436, 29542365), (545, 23633892), (556, 23166315), (654, 19694910), (695, 18533052), (834, 15444210), (981, 13129940), (1090, 11816946), (1251, 10296140), (1308, 9847455), (1390, 9266526), (1635, 7877964), (1668, 7722105), (1962, 6564970), (2085, 6177684), (2180, 5908473), (2502, 5148070), (2780, 4633263), (3270, 3938982), (3924, 3282485), (4170, 3088842), (4723, 2727180), (4905, 2625988), (5004, 2574035), (6255, 2059228), (6540, 1969491), (8340, 1544421), (9446, 1363590), (9810, 1312994), (12510, 1029614), (14169, 909060), (15151, 850140), (18892, 681795), (19620, 656497), (23615, 545436), (25020, 514807), (28338, 454530), (30302, 425070), (42507, 303020), (45453, 283380), (47230, 272718), (56676, 227265), (60604, 212535), (70845, 181812), (75755, 170028), (85014, 151510), (90906, 141690), (94460, 136359)]