2816560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 7365600

約数和(自身を除く): 4549040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 109, 136, 152, 170, 190, 218, 272, 304, 323, 340, 380, 436, 545, 646, 680, 760, 872, 1090, 1292, 1360, 1520, 1615, 1744, 1853, 2071, 2180, 2584, 3230, 3706, 4142, 4360, 5168, 6460, 7412, 8284, 8720, 9265, 10355, 12920, 14824, 16568, 18530, 20710, 25840, 29648, 33136, 35207, 37060, 41420, 70414, 74120, 82840, 140828, 148240, 165680, 176035, 281656, 352070, 563312, 704140, 1408280, 2816560]

約数ペア:

[(1, 2816560), (2, 1408280), (4, 704140), (5, 563312), (8, 352070), (10, 281656), (16, 176035), (17, 165680), (19, 148240), (20, 140828), (34, 82840), (38, 74120), (40, 70414), (68, 41420), (76, 37060), (80, 35207), (85, 33136), (95, 29648), (109, 25840), (136, 20710), (152, 18530), (170, 16568), (190, 14824), (218, 12920), (272, 10355), (304, 9265), (323, 8720), (340, 8284), (380, 7412), (436, 6460), (545, 5168), (646, 4360), (680, 4142), (760, 3706), (872, 3230), (1090, 2584), (1292, 2180), (1360, 2071), (1520, 1853), (1615, 1744)]