81252960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1553}}^1$

素因数の和:1680

約数の個数: 96

約数和(自身を含む): 258461280

約数和(自身を除く): 177208320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 109, 120, 160, 218, 240, 327, 436, 480, 545, 654, 872, 1090, 1308, 1553, 1635, 1744, 2180, 2616, 3106, 3270, 3488, 4360, 4659, 5232, 6212, 6540, 7765, 8720, 9318, 10464, 12424, 13080, 15530, 17440, 18636, 23295, 24848, 26160, 31060, 37272, 46590, 49696, 52320, 62120, 74544, 93180, 124240, 149088, 169277, 186360, 248480, 338554, 372720, 507831, 677108, 745440, 846385, 1015662, 1354216, 1692770, 2031324, 2539155, 2708432, 3385540, 4062648, 5078310, 5416864, 6771080, 8125296, 10156620, 13542160, 16250592, 20313240, 27084320, 40626480, 81252960]

約数ペア:

[(1, 81252960), (2, 40626480), (3, 27084320), (4, 20313240), (5, 16250592), (6, 13542160), (8, 10156620), (10, 8125296), (12, 6771080), (15, 5416864), (16, 5078310), (20, 4062648), (24, 3385540), (30, 2708432), (32, 2539155), (40, 2031324), (48, 1692770), (60, 1354216), (80, 1015662), (96, 846385), (109, 745440), (120, 677108), (160, 507831), (218, 372720), (240, 338554), (327, 248480), (436, 186360), (480, 169277), (545, 149088), (654, 124240), (872, 93180), (1090, 74544), (1308, 62120), (1553, 52320), (1635, 49696), (1744, 46590), (2180, 37272), (2616, 31060), (3106, 26160), (3270, 24848), (3488, 23295), (4360, 18636), (4659, 17440), (5232, 15530), (6212, 13080), (6540, 12424), (7765, 10464), (8720, 9318)]