80067720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 250905600

約数和(自身を除く): 170837880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 59, 60, 86, 118, 120, 129, 172, 177, 215, 236, 258, 263, 295, 344, 354, 430, 472, 516, 526, 590, 645, 708, 789, 860, 885, 1032, 1052, 1180, 1290, 1315, 1416, 1578, 1720, 1770, 2104, 2360, 2537, 2580, 2630, 3156, 3540, 3945, 5074, 5160, 5260, 6312, 7080, 7611, 7890, 10148, 10520, 11309, 12685, 15222, 15517, 15780, 20296, 22618, 25370, 30444, 31034, 31560, 33927, 38055, 45236, 46551, 50740, 56545, 60888, 62068, 67854, 76110, 77585, 90472, 93102, 101480, 113090, 124136, 135708, 152220, 155170, 169635, 186204, 226180, 232755, 271416, 304440, 310340, 339270, 372408, 452360, 465510, 620680, 667231, 678540, 931020, 1334462, 1357080, 1862040, 2001693, 2668924, 3336155, 4003386, 5337848, 6672310, 8006772, 10008465, 13344620, 16013544, 20016930, 26689240, 40033860, 80067720]

約数ペア:

[(1, 80067720), (2, 40033860), (3, 26689240), (4, 20016930), (5, 16013544), (6, 13344620), (8, 10008465), (10, 8006772), (12, 6672310), (15, 5337848), (20, 4003386), (24, 3336155), (30, 2668924), (40, 2001693), (43, 1862040), (59, 1357080), (60, 1334462), (86, 931020), (118, 678540), (120, 667231), (129, 620680), (172, 465510), (177, 452360), (215, 372408), (236, 339270), (258, 310340), (263, 304440), (295, 271416), (344, 232755), (354, 226180), (430, 186204), (472, 169635), (516, 155170), (526, 152220), (590, 135708), (645, 124136), (708, 113090), (789, 101480), (860, 93102), (885, 90472), (1032, 77585), (1052, 76110), (1180, 67854), (1290, 62068), (1315, 60888), (1416, 56545), (1578, 50740), (1720, 46551), (1770, 45236), (2104, 38055), (2360, 33927), (2537, 31560), (2580, 31034), (2630, 30444), (3156, 25370), (3540, 22618), (3945, 20296), (5074, 15780), (5160, 15517), (5260, 15222), (6312, 12685), (7080, 11309), (7611, 10520), (7890, 10148)]