72751420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16763}}^1$

素因数の和:16810

約数の個数: 48

約数和(自身を含む): 180246528

約数和(自身を除く): 107495108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16763, 33526, 67052, 83815, 117341, 167630, 234682, 335260, 469364, 519653, 586705, 1039306, 1173410, 2078612, 2346820, 2598265, 3637571, 5196530, 7275142, 10393060, 14550284, 18187855, 36375710, 72751420]

約数ペア:

[(1, 72751420), (2, 36375710), (4, 18187855), (5, 14550284), (7, 10393060), (10, 7275142), (14, 5196530), (20, 3637571), (28, 2598265), (31, 2346820), (35, 2078612), (62, 1173410), (70, 1039306), (124, 586705), (140, 519653), (155, 469364), (217, 335260), (310, 234682), (434, 167630), (620, 117341), (868, 83815), (1085, 67052), (2170, 33526), (4340, 16763)]