15727920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 53257008

約数和(自身を除く): 37529088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 71, 78, 80, 104, 120, 130, 142, 156, 195, 208, 213, 240, 260, 284, 312, 355, 390, 426, 520, 568, 624, 710, 780, 852, 923, 1040, 1065, 1136, 1420, 1560, 1704, 1846, 2130, 2769, 2840, 3120, 3408, 3692, 4260, 4615, 5041, 5538, 5680, 7384, 8520, 9230, 10082, 11076, 13845, 14768, 15123, 17040, 18460, 20164, 22152, 25205, 27690, 30246, 36920, 40328, 44304, 50410, 55380, 60492, 65533, 73840, 75615, 80656, 100820, 110760, 120984, 131066, 151230, 196599, 201640, 221520, 241968, 262132, 302460, 327665, 393198, 403280, 524264, 604920, 655330, 786396, 982995, 1048528, 1209840, 1310660, 1572792, 1965990, 2621320, 3145584, 3931980, 5242640, 7863960, 15727920]

約数ペア:

[(1, 15727920), (2, 7863960), (3, 5242640), (4, 3931980), (5, 3145584), (6, 2621320), (8, 1965990), (10, 1572792), (12, 1310660), (13, 1209840), (15, 1048528), (16, 982995), (20, 786396), (24, 655330), (26, 604920), (30, 524264), (39, 403280), (40, 393198), (48, 327665), (52, 302460), (60, 262132), (65, 241968), (71, 221520), (78, 201640), (80, 196599), (104, 151230), (120, 131066), (130, 120984), (142, 110760), (156, 100820), (195, 80656), (208, 75615), (213, 73840), (240, 65533), (260, 60492), (284, 55380), (312, 50410), (355, 44304), (390, 40328), (426, 36920), (520, 30246), (568, 27690), (624, 25205), (710, 22152), (780, 20164), (852, 18460), (923, 17040), (1040, 15123), (1065, 14768), (1136, 13845), (1420, 11076), (1560, 10082), (1704, 9230), (1846, 8520), (2130, 7384), (2769, 5680), (2840, 5538), (3120, 5041), (3408, 4615), (3692, 4260)]