631445880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{404773}}^1$

素因数の和:404800

約数の個数: 64

約数和(自身を含む): 2040060960

約数和(自身を除く): 1408615080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 404773, 809546, 1214319, 1619092, 2023865, 2428638, 3238184, 4047730, 4857276, 5262049, 6071595, 8095460, 9714552, 10524098, 12143190, 15786147, 16190920, 21048196, 24286380, 26310245, 31572294, 42096392, 48572760, 52620490, 63144588, 78930735, 105240980, 126289176, 157861470, 210481960, 315722940, 631445880]

約数ペア:

[(1, 631445880), (2, 315722940), (3, 210481960), (4, 157861470), (5, 126289176), (6, 105240980), (8, 78930735), (10, 63144588), (12, 52620490), (13, 48572760), (15, 42096392), (20, 31572294), (24, 26310245), (26, 24286380), (30, 21048196), (39, 16190920), (40, 15786147), (52, 12143190), (60, 10524098), (65, 9714552), (78, 8095460), (104, 6071595), (120, 5262049), (130, 4857276), (156, 4047730), (195, 3238184), (260, 2428638), (312, 2023865), (390, 1619092), (520, 1214319), (780, 809546), (1560, 404773)]