64985340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154727}}^1$

素因数の和:154746

約数の個数: 48

約数和(自身を含む): 207954432

約数和(自身を除く): 142969092

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, 154727, 309454, 464181, 618908, 773635, 928362, 1083089, 1547270, 1856724, 2166178, 2320905, 3094540, 3249267, 4332356, 4641810, 5415445, 6498534, 9283620, 10830890, 12997068, 16246335, 21661780, 32492670, 64985340]

約数ペア:

[(1, 64985340), (2, 32492670), (3, 21661780), (4, 16246335), (5, 12997068), (6, 10830890), (7, 9283620), (10, 6498534), (12, 5415445), (14, 4641810), (15, 4332356), (20, 3249267), (21, 3094540), (28, 2320905), (30, 2166178), (35, 1856724), (42, 1547270), (60, 1083089), (70, 928362), (84, 773635), (105, 618908), (140, 464181), (210, 309454), (420, 154727)]