205654440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100811}}^1$

素因数の和:100842

約数の個数: 64

約数和(自身を含む): 653261760

約数和(自身を除く): 447607320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 100811, 201622, 302433, 403244, 504055, 604866, 806488, 1008110, 1209732, 1512165, 1713787, 2016220, 2419464, 3024330, 3427574, 4032440, 5141361, 6048660, 6855148, 8568935, 10282722, 12097320, 13710296, 17137870, 20565444, 25706805, 34275740, 41130888, 51413610, 68551480, 102827220, 205654440]

約数ペア:

[(1, 205654440), (2, 102827220), (3, 68551480), (4, 51413610), (5, 41130888), (6, 34275740), (8, 25706805), (10, 20565444), (12, 17137870), (15, 13710296), (17, 12097320), (20, 10282722), (24, 8568935), (30, 6855148), (34, 6048660), (40, 5141361), (51, 4032440), (60, 3427574), (68, 3024330), (85, 2419464), (102, 2016220), (120, 1713787), (136, 1512165), (170, 1209732), (204, 1008110), (255, 806488), (340, 604866), (408, 504055), (510, 403244), (680, 302433), (1020, 201622), (2040, 100811)]