15324640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:176

約数の個数: 72

約数和(自身を含む): 38654280

約数和(自身を除く): 23329640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 71, 76, 80, 95, 142, 152, 160, 190, 284, 304, 355, 380, 568, 608, 710, 760, 1136, 1349, 1420, 1520, 2272, 2698, 2840, 3040, 5041, 5396, 5680, 6745, 10082, 10792, 11360, 13490, 20164, 21584, 25205, 26980, 40328, 43168, 50410, 53960, 80656, 95779, 100820, 107920, 161312, 191558, 201640, 215840, 383116, 403280, 478895, 766232, 806560, 957790, 1532464, 1915580, 3064928, 3831160, 7662320, 15324640]

約数ペア:

[(1, 15324640), (2, 7662320), (4, 3831160), (5, 3064928), (8, 1915580), (10, 1532464), (16, 957790), (19, 806560), (20, 766232), (32, 478895), (38, 403280), (40, 383116), (71, 215840), (76, 201640), (80, 191558), (95, 161312), (142, 107920), (152, 100820), (160, 95779), (190, 80656), (284, 53960), (304, 50410), (355, 43168), (380, 40328), (568, 26980), (608, 25205), (710, 21584), (760, 20164), (1136, 13490), (1349, 11360), (1420, 10792), (1520, 10082), (2272, 6745), (2698, 5680), (2840, 5396), (3040, 5041)]