209117520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{290441}}^1$

素因数の和:290460

約数の個数: 60

約数和(自身を含む): 702288756

約数和(自身を除く): 493171236

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 290441, 580882, 871323, 1161764, 1452205, 1742646, 2323528, 2613969, 2904410, 3485292, 4356615, 4647056, 5227938, 5808820, 6970584, 8713230, 10455876, 11617640, 13069845, 13941168, 17426460, 20911752, 23235280, 26139690, 34852920, 41823504, 52279380, 69705840, 104558760, 209117520]

約数ペア:

[(1, 209117520), (2, 104558760), (3, 69705840), (4, 52279380), (5, 41823504), (6, 34852920), (8, 26139690), (9, 23235280), (10, 20911752), (12, 17426460), (15, 13941168), (16, 13069845), (18, 11617640), (20, 10455876), (24, 8713230), (30, 6970584), (36, 5808820), (40, 5227938), (45, 4647056), (48, 4356615), (60, 3485292), (72, 2904410), (80, 2613969), (90, 2323528), (120, 1742646), (144, 1452205), (180, 1161764), (240, 871323), (360, 580882), (720, 290441)]