387280920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248257}}^1$

素因数の和:248284

約数の個数: 64

約数和(自身を含む): 1251220320

約数和(自身を除く): 863939400

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, 248257, 496514, 744771, 993028, 1241285, 1489542, 1986056, 2482570, 2979084, 3227341, 3723855, 4965140, 5958168, 6454682, 7447710, 9682023, 9930280, 12909364, 14895420, 16136705, 19364046, 25818728, 29790840, 32273410, 38728092, 48410115, 64546820, 77456184, 96820230, 129093640, 193640460, 387280920]

約数ペア:

[(1, 387280920), (2, 193640460), (3, 129093640), (4, 96820230), (5, 77456184), (6, 64546820), (8, 48410115), (10, 38728092), (12, 32273410), (13, 29790840), (15, 25818728), (20, 19364046), (24, 16136705), (26, 14895420), (30, 12909364), (39, 9930280), (40, 9682023), (52, 7447710), (60, 6454682), (65, 5958168), (78, 4965140), (104, 3723855), (120, 3227341), (130, 2979084), (156, 2482570), (195, 1986056), (260, 1489542), (312, 1241285), (390, 993028), (520, 744771), (780, 496514), (1560, 248257)]