261002640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35081}}^1$

素因数の和:35128

約数の個数: 80

約数和(自身を含む): 835232256

約数和(自身を除く): 574229616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 35081, 70162, 105243, 140324, 175405, 210486, 280648, 350810, 420972, 526215, 561296, 701620, 841944, 1052430, 1087511, 1403240, 1683888, 2104860, 2175022, 2806480, 3262533, 4209720, 4350044, 5437555, 6525066, 8419440, 8700088, 10875110, 13050132, 16312665, 17400176, 21750220, 26100264, 32625330, 43500440, 52200528, 65250660, 87000880, 130501320, 261002640]

約数ペア:

[(1, 261002640), (2, 130501320), (3, 87000880), (4, 65250660), (5, 52200528), (6, 43500440), (8, 32625330), (10, 26100264), (12, 21750220), (15, 17400176), (16, 16312665), (20, 13050132), (24, 10875110), (30, 8700088), (31, 8419440), (40, 6525066), (48, 5437555), (60, 4350044), (62, 4209720), (80, 3262533), (93, 2806480), (120, 2175022), (124, 2104860), (155, 1683888), (186, 1403240), (240, 1087511), (248, 1052430), (310, 841944), (372, 701620), (465, 561296), (496, 526215), (620, 420972), (744, 350810), (930, 280648), (1240, 210486), (1488, 175405), (1860, 140324), (2480, 105243), (3720, 70162), (7440, 35081)]