12768760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 30909600

約数和(自身を除く): 18140840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 317, 380, 424, 530, 634, 760, 1007, 1060, 1268, 1585, 2014, 2120, 2536, 3170, 4028, 5035, 6023, 6340, 8056, 10070, 12046, 12680, 16801, 20140, 24092, 30115, 33602, 40280, 48184, 60230, 67204, 84005, 120460, 134408, 168010, 240920, 319219, 336020, 638438, 672040, 1276876, 1596095, 2553752, 3192190, 6384380, 12768760]

約数ペア:

[(1, 12768760), (2, 6384380), (4, 3192190), (5, 2553752), (8, 1596095), (10, 1276876), (19, 672040), (20, 638438), (38, 336020), (40, 319219), (53, 240920), (76, 168010), (95, 134408), (106, 120460), (152, 84005), (190, 67204), (212, 60230), (265, 48184), (317, 40280), (380, 33602), (424, 30115), (530, 24092), (634, 20140), (760, 16801), (1007, 12680), (1060, 12046), (1268, 10070), (1585, 8056), (2014, 6340), (2120, 6023), (2536, 5035), (3170, 4028)]