81981390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{143827}}^1$

素因数の和:143856

約数の個数: 32

約数和(自身を含む): 207112320

約数和(自身を除く): 125130930

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 143827, 287654, 431481, 719135, 862962, 1438270, 2157405, 2732713, 4314810, 5465426, 8198139, 13663565, 16396278, 27327130, 40990695, 81981390]

約数ペア:

[(1, 81981390), (2, 40990695), (3, 27327130), (5, 16396278), (6, 13663565), (10, 8198139), (15, 5465426), (19, 4314810), (30, 2732713), (38, 2157405), (57, 1438270), (95, 862962), (114, 719135), (190, 431481), (285, 287654), (570, 143827)]