5491980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2347}}^1$

素因数の和:2375

約数の個数: 72

約数和(自身を含む): 17948112

約数和(自身を除く): 12456132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 2347, 4694, 7041, 9388, 11735, 14082, 21123, 23470, 28164, 30511, 35205, 42246, 46940, 61022, 70410, 84492, 91533, 105615, 122044, 140820, 152555, 183066, 211230, 274599, 305110, 366132, 422460, 457665, 549198, 610220, 915330, 1098396, 1372995, 1830660, 2745990, 5491980]

約数ペア:

[(1, 5491980), (2, 2745990), (3, 1830660), (4, 1372995), (5, 1098396), (6, 915330), (9, 610220), (10, 549198), (12, 457665), (13, 422460), (15, 366132), (18, 305110), (20, 274599), (26, 211230), (30, 183066), (36, 152555), (39, 140820), (45, 122044), (52, 105615), (60, 91533), (65, 84492), (78, 70410), (90, 61022), (117, 46940), (130, 42246), (156, 35205), (180, 30511), (195, 28164), (234, 23470), (260, 21123), (390, 14082), (468, 11735), (585, 9388), (780, 7041), (1170, 4694), (2340, 2347)]