155321375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 225358848

約数和(自身を除く): 70037473

約数列:

[1, 5, 11, 25, 37, 43, 55, 71, 125, 185, 215, 275, 355, 407, 473, 781, 925, 1075, 1375, 1591, 1775, 2035, 2365, 2627, 3053, 3905, 4625, 5375, 7955, 8875, 10175, 11825, 13135, 15265, 17501, 19525, 28897, 33583, 39775, 50875, 59125, 65675, 76325, 87505, 97625, 112961, 144485, 167915, 198875, 328375, 381625, 437525, 564805, 722425, 839575, 1242571, 2187625, 2824025, 3612125, 4197875, 6212855, 14120125, 31064275, 155321375]

約数ペア:

[(1, 155321375), (5, 31064275), (11, 14120125), (25, 6212855), (37, 4197875), (43, 3612125), (55, 2824025), (71, 2187625), (125, 1242571), (185, 839575), (215, 722425), (275, 564805), (355, 437525), (407, 381625), (473, 328375), (781, 198875), (925, 167915), (1075, 144485), (1375, 112961), (1591, 97625), (1775, 87505), (2035, 76325), (2365, 65675), (2627, 59125), (3053, 50875), (3905, 39775), (4625, 33583), (5375, 28897), (7955, 19525), (8875, 17501), (10175, 15265), (11825, 13135)]