2156139180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{70879}}^1$

素因数の和:70920

約数の個数: 108

約数和(自身を含む): 7082187840

約数和(自身を除く): 4926048660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 5070, 6084, 7605, 10140, 15210, 30420, 70879, 141758, 212637, 283516, 354395, 425274, 637911, 708790, 850548, 921427, 1063185, 1275822, 1417580, 1842854, 2126370, 2551644, 2764281, 3189555, 3685708, 4252740, 4607135, 5528562, 6379110, 8292843, 9214270, 11057124, 11978551, 12758220, 13821405, 16585686, 18428540, 23957102, 27642810, 33171372, 35935653, 41464215, 47914204, 55285620, 59892755, 71871306, 82928430, 107806959, 119785510, 143742612, 165856860, 179678265, 215613918, 239571020, 359356530, 431227836, 539034795, 718713060, 1078069590, 2156139180]

約数ペア:

[(1, 2156139180), (2, 1078069590), (3, 718713060), (4, 539034795), (5, 431227836), (6, 359356530), (9, 239571020), (10, 215613918), (12, 179678265), (13, 165856860), (15, 143742612), (18, 119785510), (20, 107806959), (26, 82928430), (30, 71871306), (36, 59892755), (39, 55285620), (45, 47914204), (52, 41464215), (60, 35935653), (65, 33171372), (78, 27642810), (90, 23957102), (117, 18428540), (130, 16585686), (156, 13821405), (169, 12758220), (180, 11978551), (195, 11057124), (234, 9214270), (260, 8292843), (338, 6379110), (390, 5528562), (468, 4607135), (507, 4252740), (585, 3685708), (676, 3189555), (780, 2764281), (845, 2551644), (1014, 2126370), (1170, 1842854), (1521, 1417580), (1690, 1275822), (2028, 1063185), (2340, 921427), (2535, 850548), (3042, 708790), (3380, 637911), (5070, 425274), (6084, 354395), (7605, 283516), (10140, 212637), (15210, 141758), (30420, 70879)]