181478220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3571}}^1$

素因数の和:3612

約数の個数: 144

約数和(自身を含む): 638502144

約数和(自身を除く): 457023924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3571, 3630, 4235, 4620, 5082, 7142, 7260, 8470, 10164, 10713, 12705, 14284, 16940, 17855, 21426, 24997, 25410, 35710, 39281, 42852, 49994, 50820, 53565, 71420, 74991, 78562, 99988, 107130, 117843, 124985, 149982, 157124, 196405, 214260, 235686, 249970, 274967, 299964, 374955, 392810, 432091, 471372, 499940, 549934, 589215, 749910, 785620, 824901, 864182, 1099868, 1178430, 1296273, 1374835, 1499820, 1649802, 1728364, 2160455, 2356860, 2592546, 2749670, 3024637, 3299604, 4124505, 4320910, 5185092, 5499340, 6049274, 6481365, 8249010, 8641820, 9073911, 12098548, 12962730, 15123185, 16498020, 18147822, 25925460, 30246370, 36295644, 45369555, 60492740, 90739110, 181478220]

約数ペア:

[(1, 181478220), (2, 90739110), (3, 60492740), (4, 45369555), (5, 36295644), (6, 30246370), (7, 25925460), (10, 18147822), (11, 16498020), (12, 15123185), (14, 12962730), (15, 12098548), (20, 9073911), (21, 8641820), (22, 8249010), (28, 6481365), (30, 6049274), (33, 5499340), (35, 5185092), (42, 4320910), (44, 4124505), (55, 3299604), (60, 3024637), (66, 2749670), (70, 2592546), (77, 2356860), (84, 2160455), (105, 1728364), (110, 1649802), (121, 1499820), (132, 1374835), (140, 1296273), (154, 1178430), (165, 1099868), (210, 864182), (220, 824901), (231, 785620), (242, 749910), (308, 589215), (330, 549934), (363, 499940), (385, 471372), (420, 432091), (462, 392810), (484, 374955), (605, 299964), (660, 274967), (726, 249970), (770, 235686), (847, 214260), (924, 196405), (1155, 157124), (1210, 149982), (1452, 124985), (1540, 117843), (1694, 107130), (1815, 99988), (2310, 78562), (2420, 74991), (2541, 71420), (3388, 53565), (3571, 50820), (3630, 49994), (4235, 42852), (4620, 39281), (5082, 35710), (7142, 25410), (7260, 24997), (8470, 21426), (10164, 17855), (10713, 16940), (12705, 14284)]