4271220

素因数分解:

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

素因数の和:465

約数の個数: 72

約数和(自身を含む): 13202280

約数和(自身を除く): 8931060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 389, 549, 610, 732, 778, 915, 1098, 1167, 1220, 1556, 1830, 1945, 2196, 2334, 2745, 3501, 3660, 3890, 4668, 5490, 5835, 7002, 7780, 10980, 11670, 14004, 17505, 23340, 23729, 35010, 47458, 70020, 71187, 94916, 118645, 142374, 213561, 237290, 284748, 355935, 427122, 474580, 711870, 854244, 1067805, 1423740, 2135610, 4271220]

約数ペア:

[(1, 4271220), (2, 2135610), (3, 1423740), (4, 1067805), (5, 854244), (6, 711870), (9, 474580), (10, 427122), (12, 355935), (15, 284748), (18, 237290), (20, 213561), (30, 142374), (36, 118645), (45, 94916), (60, 71187), (61, 70020), (90, 47458), (122, 35010), (180, 23729), (183, 23340), (244, 17505), (305, 14004), (366, 11670), (389, 10980), (549, 7780), (610, 7002), (732, 5835), (778, 5490), (915, 4668), (1098, 3890), (1167, 3660), (1220, 3501), (1556, 2745), (1830, 2334), (1945, 2196)]