12761540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 31933440

約数和(自身を除く): 19171900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 43, 44, 55, 71, 76, 86, 95, 110, 142, 172, 190, 209, 215, 220, 284, 355, 380, 418, 430, 473, 710, 781, 817, 836, 860, 946, 1045, 1349, 1420, 1562, 1634, 1892, 2090, 2365, 2698, 3053, 3124, 3268, 3905, 4085, 4180, 4730, 5396, 6106, 6745, 7810, 8170, 8987, 9460, 12212, 13490, 14839, 15265, 15620, 16340, 17974, 26980, 29678, 30530, 33583, 35948, 44935, 58007, 59356, 61060, 67166, 74195, 89870, 116014, 134332, 148390, 167915, 179740, 232028, 290035, 296780, 335830, 580070, 638077, 671660, 1160140, 1276154, 2552308, 3190385, 6380770, 12761540]

約数ペア:

[(1, 12761540), (2, 6380770), (4, 3190385), (5, 2552308), (10, 1276154), (11, 1160140), (19, 671660), (20, 638077), (22, 580070), (38, 335830), (43, 296780), (44, 290035), (55, 232028), (71, 179740), (76, 167915), (86, 148390), (95, 134332), (110, 116014), (142, 89870), (172, 74195), (190, 67166), (209, 61060), (215, 59356), (220, 58007), (284, 44935), (355, 35948), (380, 33583), (418, 30530), (430, 29678), (473, 26980), (710, 17974), (781, 16340), (817, 15620), (836, 15265), (860, 14839), (946, 13490), (1045, 12212), (1349, 9460), (1420, 8987), (1562, 8170), (1634, 7810), (1892, 6745), (2090, 6106), (2365, 5396), (2698, 4730), (3053, 4180), (3124, 4085), (3268, 3905)]