64108280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 154224000

約数和(自身を除く): 90115720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 380, 536, 670, 760, 1259, 1273, 1340, 2518, 2546, 2680, 5036, 5092, 6295, 6365, 10072, 10184, 12590, 12730, 23921, 25180, 25460, 47842, 50360, 50920, 84353, 95684, 119605, 168706, 191368, 239210, 337412, 421765, 478420, 674824, 843530, 956840, 1602707, 1687060, 3205414, 3374120, 6410828, 8013535, 12821656, 16027070, 32054140, 64108280]

約数ペア:

[(1, 64108280), (2, 32054140), (4, 16027070), (5, 12821656), (8, 8013535), (10, 6410828), (19, 3374120), (20, 3205414), (38, 1687060), (40, 1602707), (67, 956840), (76, 843530), (95, 674824), (134, 478420), (152, 421765), (190, 337412), (268, 239210), (335, 191368), (380, 168706), (536, 119605), (670, 95684), (760, 84353), (1259, 50920), (1273, 50360), (1340, 47842), (2518, 25460), (2546, 25180), (2680, 23921), (5036, 12730), (5092, 12590), (6295, 10184), (6365, 10072)]