30305640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3642

約数の個数: 64

約数和(自身を含む): 92223360

約数和(自身を除く): 61917720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3557, 4260, 7114, 8520, 10671, 14228, 17785, 21342, 28456, 35570, 42684, 53355, 71140, 85368, 106710, 142280, 213420, 252547, 426840, 505094, 757641, 1010188, 1262735, 1515282, 2020376, 2525470, 3030564, 3788205, 5050940, 6061128, 7576410, 10101880, 15152820, 30305640]

約数ペア:

[(1, 30305640), (2, 15152820), (3, 10101880), (4, 7576410), (5, 6061128), (6, 5050940), (8, 3788205), (10, 3030564), (12, 2525470), (15, 2020376), (20, 1515282), (24, 1262735), (30, 1010188), (40, 757641), (60, 505094), (71, 426840), (120, 252547), (142, 213420), (213, 142280), (284, 106710), (355, 85368), (426, 71140), (568, 53355), (710, 42684), (852, 35570), (1065, 28456), (1420, 21342), (1704, 17785), (2130, 14228), (2840, 10671), (3557, 8520), (4260, 7114)]