78451740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:713

約数の個数: 120

約数和(自身を含む): 249627840

約数和(自身を除く): 171176100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 270, 316, 324, 395, 405, 474, 540, 613, 711, 790, 810, 948, 1185, 1226, 1422, 1580, 1620, 1839, 2133, 2370, 2452, 2844, 3065, 3555, 3678, 4266, 4740, 5517, 6130, 6399, 7110, 7356, 8532, 9195, 10665, 11034, 12260, 12798, 14220, 16551, 18390, 21330, 22068, 25596, 27585, 31995, 33102, 36780, 42660, 48427, 49653, 55170, 63990, 66204, 82755, 96854, 99306, 110340, 127980, 145281, 165510, 193708, 198612, 242135, 248265, 290562, 331020, 435843, 484270, 496530, 581124, 726405, 871686, 968540, 993060, 1307529, 1452810, 1743372, 2179215, 2615058, 2905620, 3922587, 4358430, 5230116, 6537645, 7845174, 8716860, 13075290, 15690348, 19612935, 26150580, 39225870, 78451740]

約数ペア:

[(1, 78451740), (2, 39225870), (3, 26150580), (4, 19612935), (5, 15690348), (6, 13075290), (9, 8716860), (10, 7845174), (12, 6537645), (15, 5230116), (18, 4358430), (20, 3922587), (27, 2905620), (30, 2615058), (36, 2179215), (45, 1743372), (54, 1452810), (60, 1307529), (79, 993060), (81, 968540), (90, 871686), (108, 726405), (135, 581124), (158, 496530), (162, 484270), (180, 435843), (237, 331020), (270, 290562), (316, 248265), (324, 242135), (395, 198612), (405, 193708), (474, 165510), (540, 145281), (613, 127980), (711, 110340), (790, 99306), (810, 96854), (948, 82755), (1185, 66204), (1226, 63990), (1422, 55170), (1580, 49653), (1620, 48427), (1839, 42660), (2133, 36780), (2370, 33102), (2452, 31995), (2844, 27585), (3065, 25596), (3555, 22068), (3678, 21330), (4266, 18390), (4740, 16551), (5517, 14220), (6130, 12798), (6399, 12260), (7110, 11034), (7356, 10665), (8532, 9195)]