42801660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21617}}^1$

素因数の和:21643

約数の個数: 72

約数和(自身を含む): 141641136

約数和(自身を除く): 98839476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 21617, 43234, 64851, 86468, 108085, 129702, 194553, 216170, 237787, 259404, 324255, 389106, 432340, 475574, 648510, 713361, 778212, 951148, 972765, 1188935, 1297020, 1426722, 1945530, 2140083, 2377870, 2853444, 3566805, 3891060, 4280166, 4755740, 7133610, 8560332, 10700415, 14267220, 21400830, 42801660]

約数ペア:

[(1, 42801660), (2, 21400830), (3, 14267220), (4, 10700415), (5, 8560332), (6, 7133610), (9, 4755740), (10, 4280166), (11, 3891060), (12, 3566805), (15, 2853444), (18, 2377870), (20, 2140083), (22, 1945530), (30, 1426722), (33, 1297020), (36, 1188935), (44, 972765), (45, 951148), (55, 778212), (60, 713361), (66, 648510), (90, 475574), (99, 432340), (110, 389106), (132, 324255), (165, 259404), (180, 237787), (198, 216170), (220, 194553), (330, 129702), (396, 108085), (495, 86468), (660, 64851), (990, 43234), (1980, 21617)]