2720508735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{3329}}^1$

素因数の和:3568

約数の個数: 64

約数和(自身を含む): 5119994880

約数和(自身を除く): 2399486145

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 181, 215, 301, 543, 645, 903, 905, 1267, 1505, 2715, 3329, 3801, 4515, 6335, 7783, 9987, 16645, 19005, 23303, 23349, 38915, 49935, 54481, 69909, 116515, 116745, 143147, 163443, 272405, 349545, 429441, 602549, 715735, 817215, 1002029, 1807647, 2147205, 3006087, 3012745, 4217843, 5010145, 9038235, 12653529, 15030435, 21089215, 25909607, 63267645, 77728821, 129548035, 181367249, 388644105, 544101747, 906836245, 2720508735]

約数ペア:

[(1, 2720508735), (3, 906836245), (5, 544101747), (7, 388644105), (15, 181367249), (21, 129548035), (35, 77728821), (43, 63267645), (105, 25909607), (129, 21089215), (181, 15030435), (215, 12653529), (301, 9038235), (543, 5010145), (645, 4217843), (903, 3012745), (905, 3006087), (1267, 2147205), (1505, 1807647), (2715, 1002029), (3329, 817215), (3801, 715735), (4515, 602549), (6335, 429441), (7783, 349545), (9987, 272405), (16645, 163443), (19005, 143147), (23303, 116745), (23349, 116515), (38915, 69909), (49935, 54481)]