87212560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 210361536

約数和(自身を除く): 123148976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 67, 80, 106, 134, 212, 265, 268, 307, 335, 424, 530, 536, 614, 670, 848, 1060, 1072, 1228, 1340, 1535, 2120, 2456, 2680, 3070, 3551, 4240, 4912, 5360, 6140, 7102, 12280, 14204, 16271, 17755, 20569, 24560, 28408, 32542, 35510, 41138, 56816, 65084, 71020, 81355, 82276, 102845, 130168, 142040, 162710, 164552, 205690, 260336, 284080, 325420, 329104, 411380, 650840, 822760, 1090157, 1301680, 1645520, 2180314, 4360628, 5450785, 8721256, 10901570, 17442512, 21803140, 43606280, 87212560]

約数ペア:

[(1, 87212560), (2, 43606280), (4, 21803140), (5, 17442512), (8, 10901570), (10, 8721256), (16, 5450785), (20, 4360628), (40, 2180314), (53, 1645520), (67, 1301680), (80, 1090157), (106, 822760), (134, 650840), (212, 411380), (265, 329104), (268, 325420), (307, 284080), (335, 260336), (424, 205690), (530, 164552), (536, 162710), (614, 142040), (670, 130168), (848, 102845), (1060, 82276), (1072, 81355), (1228, 71020), (1340, 65084), (1535, 56816), (2120, 41138), (2456, 35510), (2680, 32542), (3070, 28408), (3551, 24560), (4240, 20569), (4912, 17755), (5360, 16271), (6140, 14204), (7102, 12280)]