21738480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1778

約数の個数: 80

約数和(自身を含む): 68700960

約数和(自身を除く): 46962480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1709, 2120, 2544, 3180, 3418, 4240, 5127, 6360, 6836, 8545, 10254, 12720, 13672, 17090, 20508, 25635, 27344, 34180, 41016, 51270, 68360, 82032, 90577, 102540, 136720, 181154, 205080, 271731, 362308, 410160, 452885, 543462, 724616, 905770, 1086924, 1358655, 1449232, 1811540, 2173848, 2717310, 3623080, 4347696, 5434620, 7246160, 10869240, 21738480]

約数ペア:

[(1, 21738480), (2, 10869240), (3, 7246160), (4, 5434620), (5, 4347696), (6, 3623080), (8, 2717310), (10, 2173848), (12, 1811540), (15, 1449232), (16, 1358655), (20, 1086924), (24, 905770), (30, 724616), (40, 543462), (48, 452885), (53, 410160), (60, 362308), (80, 271731), (106, 205080), (120, 181154), (159, 136720), (212, 102540), (240, 90577), (265, 82032), (318, 68360), (424, 51270), (530, 41016), (636, 34180), (795, 27344), (848, 25635), (1060, 20508), (1272, 17090), (1590, 13672), (1709, 12720), (2120, 10254), (2544, 8545), (3180, 6836), (3418, 6360), (4240, 5127)]