80899760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 195529152

約数和(自身を除く): 114629392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 151, 181, 185, 296, 302, 362, 370, 592, 604, 724, 740, 755, 905, 1208, 1448, 1480, 1510, 1810, 2416, 2896, 2960, 3020, 3620, 5587, 6040, 6697, 7240, 11174, 12080, 13394, 14480, 22348, 26788, 27331, 27935, 33485, 44696, 53576, 54662, 55870, 66970, 89392, 107152, 109324, 111740, 133940, 136655, 218648, 223480, 267880, 273310, 437296, 446960, 535760, 546620, 1011247, 1093240, 2022494, 2186480, 4044988, 5056235, 8089976, 10112470, 16179952, 20224940, 40449880, 80899760]

約数ペア:

[(1, 80899760), (2, 40449880), (4, 20224940), (5, 16179952), (8, 10112470), (10, 8089976), (16, 5056235), (20, 4044988), (37, 2186480), (40, 2022494), (74, 1093240), (80, 1011247), (148, 546620), (151, 535760), (181, 446960), (185, 437296), (296, 273310), (302, 267880), (362, 223480), (370, 218648), (592, 136655), (604, 133940), (724, 111740), (740, 109324), (755, 107152), (905, 89392), (1208, 66970), (1448, 55870), (1480, 54662), (1510, 53576), (1810, 44696), (2416, 33485), (2896, 27935), (2960, 27331), (3020, 26788), (3620, 22348), (5587, 14480), (6040, 13394), (6697, 12080), (7240, 11174)]