645598980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275897}}^1$

素因数の和:275925

約数の個数: 72

約数和(自身を含む): 2108964312

約数和(自身を除く): 1463365332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 275897, 551794, 827691, 1103588, 1379485, 1655382, 2483073, 2758970, 3310764, 3586661, 4138455, 4966146, 5517940, 7173322, 8276910, 9932292, 10759983, 12415365, 14346644, 16553820, 17933305, 21519966, 24830730, 32279949, 35866610, 43039932, 49661460, 53799915, 64559898, 71733220, 107599830, 129119796, 161399745, 215199660, 322799490, 645598980]

約数ペア:

[(1, 645598980), (2, 322799490), (3, 215199660), (4, 161399745), (5, 129119796), (6, 107599830), (9, 71733220), (10, 64559898), (12, 53799915), (13, 49661460), (15, 43039932), (18, 35866610), (20, 32279949), (26, 24830730), (30, 21519966), (36, 17933305), (39, 16553820), (45, 14346644), (52, 12415365), (60, 10759983), (65, 9932292), (78, 8276910), (90, 7173322), (117, 5517940), (130, 4966146), (156, 4138455), (180, 3586661), (195, 3310764), (234, 2758970), (260, 2483073), (390, 1655382), (468, 1379485), (585, 1103588), (780, 827691), (1170, 551794), (2340, 275897)]