264400760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7589}}^1$

素因数の和:7680

約数の個数: 64

約数和(自身を含む): 650311200

約数和(自身を除く): 385910440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 7589, 8710, 15178, 17420, 30356, 34840, 37945, 60712, 75890, 98657, 151780, 197314, 303560, 394628, 493285, 508463, 789256, 986570, 1016926, 1973140, 2033852, 2542315, 3946280, 4067704, 5084630, 6610019, 10169260, 13220038, 20338520, 26440076, 33050095, 52880152, 66100190, 132200380, 264400760]

約数ペア:

[(1, 264400760), (2, 132200380), (4, 66100190), (5, 52880152), (8, 33050095), (10, 26440076), (13, 20338520), (20, 13220038), (26, 10169260), (40, 6610019), (52, 5084630), (65, 4067704), (67, 3946280), (104, 2542315), (130, 2033852), (134, 1973140), (260, 1016926), (268, 986570), (335, 789256), (520, 508463), (536, 493285), (670, 394628), (871, 303560), (1340, 197314), (1742, 151780), (2680, 98657), (3484, 75890), (4355, 60712), (6968, 37945), (7589, 34840), (8710, 30356), (15178, 17420)]