220344280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13669}}^1$

素因数の和:13724

約数の個数: 64

約数和(自身を含む): 551174400

約数和(自身を除く): 330830120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 13669, 16120, 27338, 54676, 68345, 109352, 136690, 177697, 273380, 355394, 423739, 546760, 710788, 847478, 888485, 1421576, 1694956, 1776970, 2118695, 3389912, 3553940, 4237390, 5508607, 7107880, 8474780, 11017214, 16949560, 22034428, 27543035, 44068856, 55086070, 110172140, 220344280]

約数ペア:

[(1, 220344280), (2, 110172140), (4, 55086070), (5, 44068856), (8, 27543035), (10, 22034428), (13, 16949560), (20, 11017214), (26, 8474780), (31, 7107880), (40, 5508607), (52, 4237390), (62, 3553940), (65, 3389912), (104, 2118695), (124, 1776970), (130, 1694956), (155, 1421576), (248, 888485), (260, 847478), (310, 710788), (403, 546760), (520, 423739), (620, 355394), (806, 273380), (1240, 177697), (1612, 136690), (2015, 109352), (3224, 68345), (4030, 54676), (8060, 27338), (13669, 16120)]