64429980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20261}}^1$

素因数の和:20326

約数の個数: 48

約数和(自身を含む): 183816864

約数和(自身を除く): 119386884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 20261, 40522, 60783, 81044, 101305, 121566, 202610, 243132, 303915, 405220, 607830, 1073833, 1215660, 2147666, 3221499, 4295332, 5369165, 6442998, 10738330, 12885996, 16107495, 21476660, 32214990, 64429980]

約数ペア:

[(1, 64429980), (2, 32214990), (3, 21476660), (4, 16107495), (5, 12885996), (6, 10738330), (10, 6442998), (12, 5369165), (15, 4295332), (20, 3221499), (30, 2147666), (53, 1215660), (60, 1073833), (106, 607830), (159, 405220), (212, 303915), (265, 243132), (318, 202610), (530, 121566), (636, 101305), (795, 81044), (1060, 60783), (1590, 40522), (3180, 20261)]