161811312

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1290

約数の個数: 80

約数和(自身を含む): 452366880

約数和(自身を除く): 290555568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 257, 312, 514, 624, 771, 1009, 1028, 1542, 2018, 2056, 3027, 3084, 3341, 4036, 4112, 6054, 6168, 6682, 8072, 10023, 12108, 12336, 13117, 13364, 16144, 20046, 24216, 26234, 26728, 39351, 40092, 48432, 52468, 53456, 78702, 80184, 104936, 157404, 160368, 209872, 259313, 314808, 518626, 629616, 777939, 1037252, 1555878, 2074504, 3111756, 3371069, 4149008, 6223512, 6742138, 10113207, 12447024, 13484276, 20226414, 26968552, 40452828, 53937104, 80905656, 161811312]

約数ペア:

[(1, 161811312), (2, 80905656), (3, 53937104), (4, 40452828), (6, 26968552), (8, 20226414), (12, 13484276), (13, 12447024), (16, 10113207), (24, 6742138), (26, 6223512), (39, 4149008), (48, 3371069), (52, 3111756), (78, 2074504), (104, 1555878), (156, 1037252), (208, 777939), (257, 629616), (312, 518626), (514, 314808), (624, 259313), (771, 209872), (1009, 160368), (1028, 157404), (1542, 104936), (2018, 80184), (2056, 78702), (3027, 53456), (3084, 52468), (3341, 48432), (4036, 40092), (4112, 39351), (6054, 26728), (6168, 26234), (6682, 24216), (8072, 20046), (10023, 16144), (12108, 13364), (12336, 13117)]