82437880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 223534080

約数和(自身を除く): 141096200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 43, 56, 70, 82, 86, 140, 164, 167, 172, 205, 215, 280, 287, 301, 328, 334, 344, 410, 430, 574, 602, 668, 820, 835, 860, 1148, 1169, 1204, 1336, 1435, 1505, 1640, 1670, 1720, 1763, 2296, 2338, 2408, 2870, 3010, 3340, 3526, 4676, 5740, 5845, 6020, 6680, 6847, 7052, 7181, 8815, 9352, 11480, 11690, 12040, 12341, 13694, 14104, 14362, 17630, 23380, 24682, 27388, 28724, 34235, 35260, 35905, 46760, 47929, 49364, 50267, 54776, 57448, 61705, 68470, 70520, 71810, 95858, 98728, 100534, 123410, 136940, 143620, 191716, 201068, 239645, 246820, 251335, 273880, 287240, 294421, 383432, 402136, 479290, 493640, 502670, 588842, 958580, 1005340, 1177684, 1472105, 1917160, 2010680, 2060947, 2355368, 2944210, 4121894, 5888420, 8243788, 10304735, 11776840, 16487576, 20609470, 41218940, 82437880]

約数ペア:

[(1, 82437880), (2, 41218940), (4, 20609470), (5, 16487576), (7, 11776840), (8, 10304735), (10, 8243788), (14, 5888420), (20, 4121894), (28, 2944210), (35, 2355368), (40, 2060947), (41, 2010680), (43, 1917160), (56, 1472105), (70, 1177684), (82, 1005340), (86, 958580), (140, 588842), (164, 502670), (167, 493640), (172, 479290), (205, 402136), (215, 383432), (280, 294421), (287, 287240), (301, 273880), (328, 251335), (334, 246820), (344, 239645), (410, 201068), (430, 191716), (574, 143620), (602, 136940), (668, 123410), (820, 100534), (835, 98728), (860, 95858), (1148, 71810), (1169, 70520), (1204, 68470), (1336, 61705), (1435, 57448), (1505, 54776), (1640, 50267), (1670, 49364), (1720, 47929), (1763, 46760), (2296, 35905), (2338, 35260), (2408, 34235), (2870, 28724), (3010, 27388), (3340, 24682), (3526, 23380), (4676, 17630), (5740, 14362), (5845, 14104), (6020, 13694), (6680, 12341), (6847, 12040), (7052, 11690), (7181, 11480), (8815, 9352)]