64906980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20411}}^1$

素因数の和:20476

約数の個数: 48

約数和(自身を含む): 185177664

約数和(自身を除く): 120270684

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, 20411, 40822, 61233, 81644, 102055, 122466, 204110, 244932, 306165, 408220, 612330, 1081783, 1224660, 2163566, 3245349, 4327132, 5408915, 6490698, 10817830, 12981396, 16226745, 21635660, 32453490, 64906980]

約数ペア:

[(1, 64906980), (2, 32453490), (3, 21635660), (4, 16226745), (5, 12981396), (6, 10817830), (10, 6490698), (12, 5408915), (15, 4327132), (20, 3245349), (30, 2163566), (53, 1224660), (60, 1081783), (106, 612330), (159, 408220), (212, 306165), (265, 244932), (318, 204110), (530, 122466), (636, 102055), (795, 81644), (1060, 61233), (1590, 40822), (3180, 20411)]