2745990

素因数分解:

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

素因数の和:2373

約数の個数: 48

約数和(自身を含む): 7692048

約数和(自身を除く): 4946058

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 2347, 4694, 7041, 11735, 14082, 21123, 23470, 30511, 35205, 42246, 61022, 70410, 91533, 105615, 152555, 183066, 211230, 274599, 305110, 457665, 549198, 915330, 1372995, 2745990]

約数ペア:

[(1, 2745990), (2, 1372995), (3, 915330), (5, 549198), (6, 457665), (9, 305110), (10, 274599), (13, 211230), (15, 183066), (18, 152555), (26, 105615), (30, 91533), (39, 70410), (45, 61022), (65, 42246), (78, 35205), (90, 30511), (117, 23470), (130, 21123), (195, 14082), (234, 11735), (390, 7041), (585, 4694), (1170, 2347)]