68301580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 162993600

約数和(自身を除く): 94692020

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 97, 109, 170, 190, 194, 218, 323, 340, 380, 388, 436, 485, 545, 646, 970, 1090, 1292, 1615, 1649, 1843, 1853, 1940, 2071, 2180, 3230, 3298, 3686, 3706, 4142, 6460, 6596, 7372, 7412, 8245, 8284, 9215, 9265, 10355, 10573, 16490, 18430, 18530, 20710, 21146, 31331, 32980, 35207, 36860, 37060, 41420, 42292, 52865, 62662, 70414, 105730, 125324, 140828, 156655, 176035, 179741, 200887, 211460, 313310, 352070, 359482, 401774, 626620, 704140, 718964, 803548, 898705, 1004435, 1797410, 2008870, 3415079, 3594820, 4017740, 6830158, 13660316, 17075395, 34150790, 68301580]

約数ペア:

[(1, 68301580), (2, 34150790), (4, 17075395), (5, 13660316), (10, 6830158), (17, 4017740), (19, 3594820), (20, 3415079), (34, 2008870), (38, 1797410), (68, 1004435), (76, 898705), (85, 803548), (95, 718964), (97, 704140), (109, 626620), (170, 401774), (190, 359482), (194, 352070), (218, 313310), (323, 211460), (340, 200887), (380, 179741), (388, 176035), (436, 156655), (485, 140828), (545, 125324), (646, 105730), (970, 70414), (1090, 62662), (1292, 52865), (1615, 42292), (1649, 41420), (1843, 37060), (1853, 36860), (1940, 35207), (2071, 32980), (2180, 31331), (3230, 21146), (3298, 20710), (3686, 18530), (3706, 18430), (4142, 16490), (6460, 10573), (6596, 10355), (7372, 9265), (7412, 9215), (8245, 8284)]