64621120

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2269}}^1$

素因数の和:2375

約数の個数: 56

約数和(自身を含む): 155676600

約数和(自身を除く): 91055480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2269, 2848, 3560, 4538, 5696, 7120, 9076, 11345, 14240, 18152, 22690, 28480, 36304, 45380, 72608, 90760, 145216, 181520, 201941, 363040, 403882, 726080, 807764, 1009705, 1615528, 2019410, 3231056, 4038820, 6462112, 8077640, 12924224, 16155280, 32310560, 64621120]

約数ペア:

[(1, 64621120), (2, 32310560), (4, 16155280), (5, 12924224), (8, 8077640), (10, 6462112), (16, 4038820), (20, 3231056), (32, 2019410), (40, 1615528), (64, 1009705), (80, 807764), (89, 726080), (160, 403882), (178, 363040), (320, 201941), (356, 181520), (445, 145216), (712, 90760), (890, 72608), (1424, 45380), (1780, 36304), (2269, 28480), (2848, 22690), (3560, 18152), (4538, 14240), (5696, 11345), (7120, 9076)]