681139920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{563}}^1$

素因数の和:721

約数の個数: 120

約数和(自身を含む): 2145496608

約数和(自身を除く): 1464356688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 563, 568, 710, 852, 1065, 1126, 1136, 1420, 1689, 1704, 2130, 2252, 2815, 2840, 3378, 3408, 4260, 4504, 5041, 5630, 5680, 6756, 8445, 8520, 9008, 10082, 11260, 13512, 15123, 16890, 17040, 20164, 22520, 25205, 27024, 30246, 33780, 39973, 40328, 45040, 50410, 60492, 67560, 75615, 79946, 80656, 100820, 119919, 120984, 135120, 151230, 159892, 199865, 201640, 239838, 241968, 302460, 319784, 399730, 403280, 479676, 599595, 604920, 639568, 799460, 959352, 1199190, 1209840, 1598920, 1918704, 2398380, 2838083, 3197840, 4796760, 5676166, 8514249, 9593520, 11352332, 14190415, 17028498, 22704664, 28380830, 34056996, 42571245, 45409328, 56761660, 68113992, 85142490, 113523320, 136227984, 170284980, 227046640, 340569960, 681139920]

約数ペア:

[(1, 681139920), (2, 340569960), (3, 227046640), (4, 170284980), (5, 136227984), (6, 113523320), (8, 85142490), (10, 68113992), (12, 56761660), (15, 45409328), (16, 42571245), (20, 34056996), (24, 28380830), (30, 22704664), (40, 17028498), (48, 14190415), (60, 11352332), (71, 9593520), (80, 8514249), (120, 5676166), (142, 4796760), (213, 3197840), (240, 2838083), (284, 2398380), (355, 1918704), (426, 1598920), (563, 1209840), (568, 1199190), (710, 959352), (852, 799460), (1065, 639568), (1126, 604920), (1136, 599595), (1420, 479676), (1689, 403280), (1704, 399730), (2130, 319784), (2252, 302460), (2815, 241968), (2840, 239838), (3378, 201640), (3408, 199865), (4260, 159892), (4504, 151230), (5041, 135120), (5630, 120984), (5680, 119919), (6756, 100820), (8445, 80656), (8520, 79946), (9008, 75615), (10082, 67560), (11260, 60492), (13512, 50410), (15123, 45040), (16890, 40328), (17040, 39973), (20164, 33780), (22520, 30246), (25205, 27024)]