1555260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^2$

素因数の和:72

約数の個数: 108

約数和(自身を含む): 5295528

約数和(自身を除く): 3740268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 529, 588, 644, 690, 735, 805, 966, 980, 1058, 1127, 1380, 1470, 1587, 1610, 1932, 2116, 2254, 2415, 2645, 2940, 3174, 3220, 3381, 3703, 4508, 4830, 5290, 5635, 6348, 6762, 7406, 7935, 9660, 10580, 11109, 11270, 13524, 14812, 15870, 16905, 18515, 22218, 22540, 25921, 31740, 33810, 37030, 44436, 51842, 55545, 67620, 74060, 77763, 103684, 111090, 129605, 155526, 222180, 259210, 311052, 388815, 518420, 777630, 1555260]

約数ペア:

[(1, 1555260), (2, 777630), (3, 518420), (4, 388815), (5, 311052), (6, 259210), (7, 222180), (10, 155526), (12, 129605), (14, 111090), (15, 103684), (20, 77763), (21, 74060), (23, 67620), (28, 55545), (30, 51842), (35, 44436), (42, 37030), (46, 33810), (49, 31740), (60, 25921), (69, 22540), (70, 22218), (84, 18515), (92, 16905), (98, 15870), (105, 14812), (115, 13524), (138, 11270), (140, 11109), (147, 10580), (161, 9660), (196, 7935), (210, 7406), (230, 6762), (245, 6348), (276, 5635), (294, 5290), (322, 4830), (345, 4508), (420, 3703), (460, 3381), (483, 3220), (490, 3174), (529, 2940), (588, 2645), (644, 2415), (690, 2254), (735, 2116), (805, 1932), (966, 1610), (980, 1587), (1058, 1470), (1127, 1380)]