28581540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36643}}^1$

素因数の和:36668

約数の個数: 48

約数和(自身を含む): 86186688

約数和(自身を除く): 57605148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36643, 73286, 109929, 146572, 183215, 219858, 366430, 439716, 476359, 549645, 732860, 952718, 1099290, 1429077, 1905436, 2198580, 2381795, 2858154, 4763590, 5716308, 7145385, 9527180, 14290770, 28581540]

約数ペア:

[(1, 28581540), (2, 14290770), (3, 9527180), (4, 7145385), (5, 5716308), (6, 4763590), (10, 2858154), (12, 2381795), (13, 2198580), (15, 1905436), (20, 1429077), (26, 1099290), (30, 952718), (39, 732860), (52, 549645), (60, 476359), (65, 439716), (78, 366430), (130, 219858), (156, 183215), (195, 146572), (260, 109929), (390, 73286), (780, 36643)]