2091690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 5713920

約数和(自身を除く): 3622230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 127, 135, 183, 254, 270, 305, 366, 381, 549, 610, 635, 762, 915, 1098, 1143, 1270, 1647, 1830, 1905, 2286, 2745, 3294, 3429, 3810, 5490, 5715, 6858, 7747, 8235, 11430, 15494, 16470, 17145, 23241, 34290, 38735, 46482, 69723, 77470, 116205, 139446, 209169, 232410, 348615, 418338, 697230, 1045845, 2091690]

約数ペア:

[(1, 2091690), (2, 1045845), (3, 697230), (5, 418338), (6, 348615), (9, 232410), (10, 209169), (15, 139446), (18, 116205), (27, 77470), (30, 69723), (45, 46482), (54, 38735), (61, 34290), (90, 23241), (122, 17145), (127, 16470), (135, 15494), (183, 11430), (254, 8235), (270, 7747), (305, 6858), (366, 5715), (381, 5490), (549, 3810), (610, 3429), (635, 3294), (762, 2745), (915, 2286), (1098, 1905), (1143, 1830), (1270, 1647)]