81493230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29851}}^1$

素因数の和:29881

約数の個数: 64

約数和(自身を含む): 240726528

約数和(自身を除く): 159233298

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 29851, 59702, 89553, 149255, 179106, 208957, 298510, 388063, 417914, 447765, 626871, 776126, 895530, 1044785, 1164189, 1253742, 1940315, 2089570, 2328378, 2716441, 3134355, 3880630, 5432882, 5820945, 6268710, 8149323, 11641890, 13582205, 16298646, 27164410, 40746615, 81493230]

約数ペア:

[(1, 81493230), (2, 40746615), (3, 27164410), (5, 16298646), (6, 13582205), (7, 11641890), (10, 8149323), (13, 6268710), (14, 5820945), (15, 5432882), (21, 3880630), (26, 3134355), (30, 2716441), (35, 2328378), (39, 2089570), (42, 1940315), (65, 1253742), (70, 1164189), (78, 1044785), (91, 895530), (105, 776126), (130, 626871), (182, 447765), (195, 417914), (210, 388063), (273, 298510), (390, 208957), (455, 179106), (546, 149255), (910, 89553), (1365, 59702), (2730, 29851)]