1423740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 4062240

約数和(自身を除く): 2638500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 389, 610, 732, 778, 915, 1167, 1220, 1556, 1830, 1945, 2334, 3660, 3890, 4668, 5835, 7780, 11670, 23340, 23729, 47458, 71187, 94916, 118645, 142374, 237290, 284748, 355935, 474580, 711870, 1423740]

約数ペア:

[(1, 1423740), (2, 711870), (3, 474580), (4, 355935), (5, 284748), (6, 237290), (10, 142374), (12, 118645), (15, 94916), (20, 71187), (30, 47458), (60, 23729), (61, 23340), (122, 11670), (183, 7780), (244, 5835), (305, 4668), (366, 3890), (389, 3660), (610, 2334), (732, 1945), (778, 1830), (915, 1556), (1167, 1220)]