220193820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15887}}^1$

素因数の和:15920

約数の個数: 144

約数和(自身を含む): 832785408

約数和(自身を除く): 612591588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 15887, 31774, 47661, 63548, 79435, 95322, 111209, 142983, 158870, 174757, 190644, 222418, 238305, 285966, 317740, 333627, 349514, 444836, 476610, 524271, 556045, 571932, 667254, 699028, 714915, 873785, 953220, 1000881, 1048542, 1112090, 1223299, 1334508, 1429830, 1572813, 1668135, 1747570, 2001762, 2097084, 2224180, 2446598, 2621355, 2859660, 3145626, 3336270, 3495140, 3669897, 4003524, 4893196, 5004405, 5242710, 6116495, 6291252, 6672540, 7339794, 7864065, 10008810, 10485420, 11009691, 12232990, 14679588, 15728130, 18349485, 20017620, 22019382, 24465980, 31456260, 36698970, 44038764, 55048455, 73397940, 110096910, 220193820]

約数ペア:

[(1, 220193820), (2, 110096910), (3, 73397940), (4, 55048455), (5, 44038764), (6, 36698970), (7, 31456260), (9, 24465980), (10, 22019382), (11, 20017620), (12, 18349485), (14, 15728130), (15, 14679588), (18, 12232990), (20, 11009691), (21, 10485420), (22, 10008810), (28, 7864065), (30, 7339794), (33, 6672540), (35, 6291252), (36, 6116495), (42, 5242710), (44, 5004405), (45, 4893196), (55, 4003524), (60, 3669897), (63, 3495140), (66, 3336270), (70, 3145626), (77, 2859660), (84, 2621355), (90, 2446598), (99, 2224180), (105, 2097084), (110, 2001762), (126, 1747570), (132, 1668135), (140, 1572813), (154, 1429830), (165, 1334508), (180, 1223299), (198, 1112090), (210, 1048542), (220, 1000881), (231, 953220), (252, 873785), (308, 714915), (315, 699028), (330, 667254), (385, 571932), (396, 556045), (420, 524271), (462, 476610), (495, 444836), (630, 349514), (660, 333627), (693, 317740), (770, 285966), (924, 238305), (990, 222418), (1155, 190644), (1260, 174757), (1386, 158870), (1540, 142983), (1980, 111209), (2310, 95322), (2772, 79435), (3465, 63548), (4620, 47661), (6930, 31774), (13860, 15887)]