3931980

素因数分解:

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

素因数の和:167

約数の個数: 72

約数和(自身を含む): 12025776

約数和(自身を除く): 8093796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 142, 156, 195, 213, 260, 284, 355, 390, 426, 710, 780, 852, 923, 1065, 1420, 1846, 2130, 2769, 3692, 4260, 4615, 5041, 5538, 9230, 10082, 11076, 13845, 15123, 18460, 20164, 25205, 27690, 30246, 50410, 55380, 60492, 65533, 75615, 100820, 131066, 151230, 196599, 262132, 302460, 327665, 393198, 655330, 786396, 982995, 1310660, 1965990, 3931980]

約数ペア:

[(1, 3931980), (2, 1965990), (3, 1310660), (4, 982995), (5, 786396), (6, 655330), (10, 393198), (12, 327665), (13, 302460), (15, 262132), (20, 196599), (26, 151230), (30, 131066), (39, 100820), (52, 75615), (60, 65533), (65, 60492), (71, 55380), (78, 50410), (130, 30246), (142, 27690), (156, 25205), (195, 20164), (213, 18460), (260, 15123), (284, 13845), (355, 11076), (390, 10082), (426, 9230), (710, 5538), (780, 5041), (852, 4615), (923, 4260), (1065, 3692), (1420, 2769), (1846, 2130)]