820163610

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1061}}^1$

素因数の和:1493

約数の個数: 128

約数和(自身を含む): 2508019200

約数和(自身を除く): 1687855590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 409, 630, 818, 945, 1061, 1227, 1890, 2045, 2122, 2454, 2863, 3183, 3681, 4090, 5305, 5726, 6135, 6366, 7362, 7427, 8589, 9549, 10610, 11043, 12270, 14315, 14854, 15915, 17178, 18405, 19098, 22086, 22281, 25767, 28630, 28647, 31830, 36810, 37135, 42945, 44562, 47745, 51534, 55215, 57294, 66843, 74270, 77301, 85890, 95490, 110430, 111405, 128835, 133686, 143235, 154602, 200529, 222810, 257670, 286470, 334215, 386505, 401058, 433949, 668430, 773010, 867898, 1002645, 1301847, 2005290, 2169745, 2603694, 3037643, 3905541, 4339490, 6075286, 6509235, 7811082, 9112929, 11716623, 13018470, 15188215, 18225858, 19527705, 23433246, 27338787, 30376430, 39055410, 45564645, 54677574, 58583115, 82016361, 91129290, 117166230, 136693935, 164032722, 273387870, 410081805, 820163610]

約数ペア:

[(1, 820163610), (2, 410081805), (3, 273387870), (5, 164032722), (6, 136693935), (7, 117166230), (9, 91129290), (10, 82016361), (14, 58583115), (15, 54677574), (18, 45564645), (21, 39055410), (27, 30376430), (30, 27338787), (35, 23433246), (42, 19527705), (45, 18225858), (54, 15188215), (63, 13018470), (70, 11716623), (90, 9112929), (105, 7811082), (126, 6509235), (135, 6075286), (189, 4339490), (210, 3905541), (270, 3037643), (315, 2603694), (378, 2169745), (409, 2005290), (630, 1301847), (818, 1002645), (945, 867898), (1061, 773010), (1227, 668430), (1890, 433949), (2045, 401058), (2122, 386505), (2454, 334215), (2863, 286470), (3183, 257670), (3681, 222810), (4090, 200529), (5305, 154602), (5726, 143235), (6135, 133686), (6366, 128835), (7362, 111405), (7427, 110430), (8589, 95490), (9549, 85890), (10610, 77301), (11043, 74270), (12270, 66843), (14315, 57294), (14854, 55215), (15915, 51534), (17178, 47745), (18405, 44562), (19098, 42945), (22086, 37135), (22281, 36810), (25767, 31830), (28630, 28647)]