121215680

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9239}}^1$

素因数の和:9297

約数の個数: 56

約数和(自身を含む): 295716960

約数和(自身を除く): 174501280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 9239, 13120, 18478, 36956, 46195, 73912, 92390, 147824, 184780, 295648, 369560, 378799, 591296, 739120, 757598, 1478240, 1515196, 1893995, 2956480, 3030392, 3787990, 6060784, 7575980, 12121568, 15151960, 24243136, 30303920, 60607840, 121215680]

約数ペア:

[(1, 121215680), (2, 60607840), (4, 30303920), (5, 24243136), (8, 15151960), (10, 12121568), (16, 7575980), (20, 6060784), (32, 3787990), (40, 3030392), (41, 2956480), (64, 1893995), (80, 1515196), (82, 1478240), (160, 757598), (164, 739120), (205, 591296), (320, 378799), (328, 369560), (410, 295648), (656, 184780), (820, 147824), (1312, 92390), (1640, 73912), (2624, 46195), (3280, 36956), (6560, 18478), (9239, 13120)]