64415820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153371}}^1$

素因数の和:153390

約数の個数: 48

約数和(自身を含む): 206131968

約数和(自身を除く): 141716148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 153371, 306742, 460113, 613484, 766855, 920226, 1073597, 1533710, 1840452, 2147194, 2300565, 3067420, 3220791, 4294388, 4601130, 5367985, 6441582, 9202260, 10735970, 12883164, 16103955, 21471940, 32207910, 64415820]

約数ペア:

[(1, 64415820), (2, 32207910), (3, 21471940), (4, 16103955), (5, 12883164), (6, 10735970), (7, 9202260), (10, 6441582), (12, 5367985), (14, 4601130), (15, 4294388), (20, 3220791), (21, 3067420), (28, 2300565), (30, 2147194), (35, 1840452), (42, 1533710), (60, 1073597), (70, 920226), (84, 766855), (105, 613484), (140, 460113), (210, 306742), (420, 153371)]