28687770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 80

約数和(自身を含む): 78094368

約数和(自身を除く): 49406598

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 107, 135, 162, 214, 270, 321, 331, 405, 535, 642, 662, 810, 963, 993, 1070, 1605, 1655, 1926, 1986, 2889, 2979, 3210, 3310, 4815, 4965, 5778, 5958, 8667, 8937, 9630, 9930, 14445, 14895, 17334, 17874, 26811, 28890, 29790, 35417, 43335, 44685, 53622, 70834, 86670, 89370, 106251, 134055, 177085, 212502, 268110, 318753, 354170, 531255, 637506, 956259, 1062510, 1593765, 1912518, 2868777, 3187530, 4781295, 5737554, 9562590, 14343885, 28687770]

約数ペア:

[(1, 28687770), (2, 14343885), (3, 9562590), (5, 5737554), (6, 4781295), (9, 3187530), (10, 2868777), (15, 1912518), (18, 1593765), (27, 1062510), (30, 956259), (45, 637506), (54, 531255), (81, 354170), (90, 318753), (107, 268110), (135, 212502), (162, 177085), (214, 134055), (270, 106251), (321, 89370), (331, 86670), (405, 70834), (535, 53622), (642, 44685), (662, 43335), (810, 35417), (963, 29790), (993, 28890), (1070, 26811), (1605, 17874), (1655, 17334), (1926, 14895), (1986, 14445), (2889, 9930), (2979, 9630), (3210, 8937), (3310, 8667), (4815, 5958), (4965, 5778)]