42643890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{719}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 111196800

約数和(自身を除く): 68552910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 659, 719, 1318, 1438, 1977, 2157, 3295, 3595, 3954, 4314, 5931, 6471, 6590, 7190, 9885, 10785, 11862, 12942, 19770, 21570, 29655, 32355, 59310, 64710, 473821, 947642, 1421463, 2369105, 2842926, 4264389, 4738210, 7107315, 8528778, 14214630, 21321945, 42643890]

約数ペア:

[(1, 42643890), (2, 21321945), (3, 14214630), (5, 8528778), (6, 7107315), (9, 4738210), (10, 4264389), (15, 2842926), (18, 2369105), (30, 1421463), (45, 947642), (90, 473821), (659, 64710), (719, 59310), (1318, 32355), (1438, 29655), (1977, 21570), (2157, 19770), (3295, 12942), (3595, 11862), (3954, 10785), (4314, 9885), (5931, 7190), (6471, 6590)]