80868720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1511}}^1$

素因数の和:1750

約数の個数: 80

約数和(自身を含む): 251983872

約数和(自身を除く): 171115152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 446, 669, 892, 1115, 1338, 1511, 1784, 2230, 2676, 3022, 3345, 3568, 4460, 4533, 5352, 6044, 6690, 7555, 8920, 9066, 10704, 12088, 13380, 15110, 17840, 18132, 22665, 24176, 26760, 30220, 36264, 45330, 53520, 60440, 72528, 90660, 120880, 181320, 336953, 362640, 673906, 1010859, 1347812, 1684765, 2021718, 2695624, 3369530, 4043436, 5054295, 5391248, 6739060, 8086872, 10108590, 13478120, 16173744, 20217180, 26956240, 40434360, 80868720]

約数ペア:

[(1, 80868720), (2, 40434360), (3, 26956240), (4, 20217180), (5, 16173744), (6, 13478120), (8, 10108590), (10, 8086872), (12, 6739060), (15, 5391248), (16, 5054295), (20, 4043436), (24, 3369530), (30, 2695624), (40, 2021718), (48, 1684765), (60, 1347812), (80, 1010859), (120, 673906), (223, 362640), (240, 336953), (446, 181320), (669, 120880), (892, 90660), (1115, 72528), (1338, 60440), (1511, 53520), (1784, 45330), (2230, 36264), (2676, 30220), (3022, 26760), (3345, 24176), (3568, 22665), (4460, 18132), (4533, 17840), (5352, 15110), (6044, 13380), (6690, 12088), (7555, 10704), (8920, 9066)]