1228890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 3338496

約数和(自身を除く): 2109606

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 137, 138, 195, 230, 274, 299, 345, 390, 411, 598, 685, 690, 822, 897, 1370, 1495, 1781, 1794, 2055, 2990, 3151, 3562, 4110, 4485, 5343, 6302, 8905, 8970, 9453, 10686, 15755, 17810, 18906, 26715, 31510, 40963, 47265, 53430, 81926, 94530, 122889, 204815, 245778, 409630, 614445, 1228890]

約数ペア:

[(1, 1228890), (2, 614445), (3, 409630), (5, 245778), (6, 204815), (10, 122889), (13, 94530), (15, 81926), (23, 53430), (26, 47265), (30, 40963), (39, 31510), (46, 26715), (65, 18906), (69, 17810), (78, 15755), (115, 10686), (130, 9453), (137, 8970), (138, 8905), (195, 6302), (230, 5343), (274, 4485), (299, 4110), (345, 3562), (390, 3151), (411, 2990), (598, 2055), (685, 1794), (690, 1781), (822, 1495), (897, 1370)]