218938920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107323}}^1$

素因数の和:107354

約数の個数: 64

約数和(自身を含む): 695459520

約数和(自身を除く): 476520600

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, 107323, 214646, 321969, 429292, 536615, 643938, 858584, 1073230, 1287876, 1609845, 1824491, 2146460, 2575752, 3219690, 3648982, 4292920, 5473473, 6439380, 7297964, 9122455, 10946946, 12878760, 14595928, 18244910, 21893892, 27367365, 36489820, 43787784, 54734730, 72979640, 109469460, 218938920]

約数ペア:

[(1, 218938920), (2, 109469460), (3, 72979640), (4, 54734730), (5, 43787784), (6, 36489820), (8, 27367365), (10, 21893892), (12, 18244910), (15, 14595928), (17, 12878760), (20, 10946946), (24, 9122455), (30, 7297964), (34, 6439380), (40, 5473473), (51, 4292920), (60, 3648982), (68, 3219690), (85, 2575752), (102, 2146460), (120, 1824491), (136, 1609845), (170, 1287876), (204, 1073230), (255, 858584), (340, 643938), (408, 536615), (510, 429292), (680, 321969), (1020, 214646), (2040, 107323)]