159899440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1783}}^1$

素因数の和:1874

約数の個数: 80

約数和(自身を含む): 398188800

約数和(自身を除く): 238289360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1520, 1783, 2242, 2360, 3566, 4484, 4720, 5605, 7132, 8915, 8968, 11210, 14264, 17830, 17936, 22420, 28528, 33877, 35660, 44840, 67754, 71320, 89680, 105197, 135508, 142640, 169385, 210394, 271016, 338770, 420788, 525985, 542032, 677540, 841576, 1051970, 1355080, 1683152, 1998743, 2103940, 2710160, 3997486, 4207880, 7994972, 8415760, 9993715, 15989944, 19987430, 31979888, 39974860, 79949720, 159899440]

約数ペア:

[(1, 159899440), (2, 79949720), (4, 39974860), (5, 31979888), (8, 19987430), (10, 15989944), (16, 9993715), (19, 8415760), (20, 7994972), (38, 4207880), (40, 3997486), (59, 2710160), (76, 2103940), (80, 1998743), (95, 1683152), (118, 1355080), (152, 1051970), (190, 841576), (236, 677540), (295, 542032), (304, 525985), (380, 420788), (472, 338770), (590, 271016), (760, 210394), (944, 169385), (1121, 142640), (1180, 135508), (1520, 105197), (1783, 89680), (2242, 71320), (2360, 67754), (3566, 44840), (4484, 35660), (4720, 33877), (5605, 28528), (7132, 22420), (8915, 17936), (8968, 17830), (11210, 14264)]