28564560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 97155240

約数和(自身を除く): 68590680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 360, 388, 409, 485, 582, 720, 776, 818, 873, 970, 1164, 1227, 1455, 1552, 1636, 1746, 1940, 2045, 2328, 2454, 2910, 3272, 3492, 3681, 3880, 4090, 4365, 4656, 4908, 5820, 6135, 6544, 6984, 7362, 7760, 8180, 8730, 9816, 11640, 12270, 13968, 14724, 16360, 17460, 18405, 19632, 23280, 24540, 29448, 32720, 34920, 36810, 39673, 49080, 58896, 69840, 73620, 79346, 98160, 119019, 147240, 158692, 198365, 238038, 294480, 317384, 357057, 396730, 476076, 595095, 634768, 714114, 793460, 952152, 1190190, 1428228, 1586920, 1785285, 1904304, 2380380, 2856456, 3173840, 3570570, 4760760, 5712912, 7141140, 9521520, 14282280, 28564560]

約数ペア:

[(1, 28564560), (2, 14282280), (3, 9521520), (4, 7141140), (5, 5712912), (6, 4760760), (8, 3570570), (9, 3173840), (10, 2856456), (12, 2380380), (15, 1904304), (16, 1785285), (18, 1586920), (20, 1428228), (24, 1190190), (30, 952152), (36, 793460), (40, 714114), (45, 634768), (48, 595095), (60, 476076), (72, 396730), (80, 357057), (90, 317384), (97, 294480), (120, 238038), (144, 198365), (180, 158692), (194, 147240), (240, 119019), (291, 98160), (360, 79346), (388, 73620), (409, 69840), (485, 58896), (582, 49080), (720, 39673), (776, 36810), (818, 34920), (873, 32720), (970, 29448), (1164, 24540), (1227, 23280), (1455, 19632), (1552, 18405), (1636, 17460), (1746, 16360), (1940, 14724), (2045, 13968), (2328, 12270), (2454, 11640), (2910, 9816), (3272, 8730), (3492, 8180), (3681, 7760), (3880, 7362), (4090, 6984), (4365, 6544), (4656, 6135), (4908, 5820)]