263640

素因数分解:

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

素因数の和:53

約数の個数: 64

約数和(自身を含む): 856800

約数和(自身を除く): 593160

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, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 2028, 2197, 2535, 3380, 4056, 4394, 5070, 6591, 6760, 8788, 10140, 10985, 13182, 17576, 20280, 21970, 26364, 32955, 43940, 52728, 65910, 87880, 131820, 263640]

約数ペア:

[(1, 263640), (2, 131820), (3, 87880), (4, 65910), (5, 52728), (6, 43940), (8, 32955), (10, 26364), (12, 21970), (13, 20280), (15, 17576), (20, 13182), (24, 10985), (26, 10140), (30, 8788), (39, 6760), (40, 6591), (52, 5070), (60, 4394), (65, 4056), (78, 3380), (104, 2535), (120, 2197), (130, 2028), (156, 1690), (169, 1560), (195, 1352), (260, 1014), (312, 845), (338, 780), (390, 676), (507, 520)]