79711280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 203558400

約数和(自身を除く): 123847120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 239, 379, 440, 478, 758, 880, 956, 1195, 1516, 1895, 1912, 2390, 2629, 3032, 3790, 3824, 4169, 4780, 5258, 6064, 7580, 8338, 9560, 10516, 13145, 15160, 16676, 19120, 20845, 21032, 26290, 30320, 33352, 41690, 42064, 52580, 66704, 83380, 90581, 105160, 166760, 181162, 210320, 333520, 362324, 452905, 724648, 905810, 996391, 1449296, 1811620, 1992782, 3623240, 3985564, 4981955, 7246480, 7971128, 9963910, 15942256, 19927820, 39855640, 79711280]

約数ペア:

[(1, 79711280), (2, 39855640), (4, 19927820), (5, 15942256), (8, 9963910), (10, 7971128), (11, 7246480), (16, 4981955), (20, 3985564), (22, 3623240), (40, 1992782), (44, 1811620), (55, 1449296), (80, 996391), (88, 905810), (110, 724648), (176, 452905), (220, 362324), (239, 333520), (379, 210320), (440, 181162), (478, 166760), (758, 105160), (880, 90581), (956, 83380), (1195, 66704), (1516, 52580), (1895, 42064), (1912, 41690), (2390, 33352), (2629, 30320), (3032, 26290), (3790, 21032), (3824, 20845), (4169, 19120), (4780, 16676), (5258, 15160), (6064, 13145), (7580, 10516), (8338, 9560)]