123520280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8191}}^1$

素因数の和:8244

約数の個数: 64

約数和(自身を含む): 309657600

約数和(自身を除く): 186137320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 7540, 8191, 15080, 16382, 32764, 40955, 65528, 81910, 106483, 163820, 212966, 237539, 327640, 425932, 475078, 532415, 851864, 950156, 1064830, 1187695, 1900312, 2129660, 2375390, 3088007, 4259320, 4750780, 6176014, 9501560, 12352028, 15440035, 24704056, 30880070, 61760140, 123520280]

約数ペア:

[(1, 123520280), (2, 61760140), (4, 30880070), (5, 24704056), (8, 15440035), (10, 12352028), (13, 9501560), (20, 6176014), (26, 4750780), (29, 4259320), (40, 3088007), (52, 2375390), (58, 2129660), (65, 1900312), (104, 1187695), (116, 1064830), (130, 950156), (145, 851864), (232, 532415), (260, 475078), (290, 425932), (377, 327640), (520, 237539), (580, 212966), (754, 163820), (1160, 106483), (1508, 81910), (1885, 65528), (3016, 40955), (3770, 32764), (7540, 16382), (8191, 15080)]