64998040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 150796800

約数和(自身を除く): 85798760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 268, 307, 316, 335, 395, 536, 614, 632, 670, 790, 1228, 1340, 1535, 1580, 2456, 2680, 3070, 3160, 5293, 6140, 10586, 12280, 20569, 21172, 24253, 26465, 41138, 42344, 48506, 52930, 82276, 97012, 102845, 105860, 121265, 164552, 194024, 205690, 211720, 242530, 411380, 485060, 822760, 970120, 1624951, 3249902, 6499804, 8124755, 12999608, 16249510, 32499020, 64998040]

約数ペア:

[(1, 64998040), (2, 32499020), (4, 16249510), (5, 12999608), (8, 8124755), (10, 6499804), (20, 3249902), (40, 1624951), (67, 970120), (79, 822760), (134, 485060), (158, 411380), (268, 242530), (307, 211720), (316, 205690), (335, 194024), (395, 164552), (536, 121265), (614, 105860), (632, 102845), (670, 97012), (790, 82276), (1228, 52930), (1340, 48506), (1535, 42344), (1580, 41138), (2456, 26465), (2680, 24253), (3070, 21172), (3160, 20569), (5293, 12280), (6140, 10586)]