83640840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9817}}^1$

素因数の和:9902

約数の個数: 64

約数和(自身を含む): 254482560

約数和(自身を除く): 170841720

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, 4260, 8520, 9817, 19634, 29451, 39268, 49085, 58902, 78536, 98170, 117804, 147255, 196340, 235608, 294510, 392680, 589020, 697007, 1178040, 1394014, 2091021, 2788028, 3485035, 4182042, 5576056, 6970070, 8364084, 10455105, 13940140, 16728168, 20910210, 27880280, 41820420, 83640840]

約数ペア:

[(1, 83640840), (2, 41820420), (3, 27880280), (4, 20910210), (5, 16728168), (6, 13940140), (8, 10455105), (10, 8364084), (12, 6970070), (15, 5576056), (20, 4182042), (24, 3485035), (30, 2788028), (40, 2091021), (60, 1394014), (71, 1178040), (120, 697007), (142, 589020), (213, 392680), (284, 294510), (355, 235608), (426, 196340), (568, 147255), (710, 117804), (852, 98170), (1065, 78536), (1420, 58902), (1704, 49085), (2130, 39268), (2840, 29451), (4260, 19634), (8520, 9817)]