261397590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{5669}}^1$

素因数の和:5761

約数の個数: 64

約数和(自身を含む): 661348800

約数和(自身を除く): 399951210

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 53, 58, 87, 106, 145, 159, 174, 265, 290, 318, 435, 530, 795, 870, 1537, 1590, 3074, 4611, 5669, 7685, 9222, 11338, 15370, 17007, 23055, 28345, 34014, 46110, 56690, 85035, 164401, 170070, 300457, 328802, 493203, 600914, 822005, 901371, 986406, 1502285, 1644010, 1802742, 2466015, 3004570, 4506855, 4932030, 8713253, 9013710, 17426506, 26139759, 43566265, 52279518, 87132530, 130698795, 261397590]

約数ペア:

[(1, 261397590), (2, 130698795), (3, 87132530), (5, 52279518), (6, 43566265), (10, 26139759), (15, 17426506), (29, 9013710), (30, 8713253), (53, 4932030), (58, 4506855), (87, 3004570), (106, 2466015), (145, 1802742), (159, 1644010), (174, 1502285), (265, 986406), (290, 901371), (318, 822005), (435, 600914), (530, 493203), (795, 328802), (870, 300457), (1537, 170070), (1590, 164401), (3074, 85035), (4611, 56690), (5669, 46110), (7685, 34014), (9222, 28345), (11338, 23055), (15370, 17007)]