28735830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 77760000

約数和(自身を除く): 49024170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1499, 1917, 2130, 2998, 3195, 3834, 4497, 6390, 7495, 8994, 9585, 13491, 14990, 19170, 22485, 26982, 40473, 44970, 67455, 80946, 106429, 134910, 202365, 212858, 319287, 404730, 532145, 638574, 957861, 1064290, 1596435, 1915722, 2873583, 3192870, 4789305, 5747166, 9578610, 14367915, 28735830]

約数ペア:

[(1, 28735830), (2, 14367915), (3, 9578610), (5, 5747166), (6, 4789305), (9, 3192870), (10, 2873583), (15, 1915722), (18, 1596435), (27, 1064290), (30, 957861), (45, 638574), (54, 532145), (71, 404730), (90, 319287), (135, 212858), (142, 202365), (213, 134910), (270, 106429), (355, 80946), (426, 67455), (639, 44970), (710, 40473), (1065, 26982), (1278, 22485), (1499, 19170), (1917, 14990), (2130, 13491), (2998, 9585), (3195, 8994), (3834, 7495), (4497, 6390)]