215688420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:863

約数の個数: 120

約数和(自身を含む): 680906688

約数和(自身を除く): 465218268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 211, 270, 324, 405, 422, 540, 631, 633, 810, 844, 1055, 1262, 1266, 1620, 1893, 1899, 2110, 2524, 2532, 3155, 3165, 3786, 3798, 4220, 5679, 5697, 6310, 6330, 7572, 7596, 9465, 9495, 11358, 11394, 12620, 12660, 17037, 17091, 18930, 18990, 22716, 22788, 28395, 28485, 34074, 34182, 37860, 37980, 51111, 56790, 56970, 68148, 68364, 85185, 85455, 102222, 113580, 113940, 133141, 170370, 170910, 204444, 255555, 266282, 340740, 341820, 399423, 511110, 532564, 665705, 798846, 1022220, 1198269, 1331410, 1597692, 1997115, 2396538, 2662820, 3594807, 3994230, 4793076, 5991345, 7189614, 7988460, 10784421, 11982690, 14379228, 17974035, 21568842, 23965380, 35948070, 43137684, 53922105, 71896140, 107844210, 215688420]

約数ペア:

[(1, 215688420), (2, 107844210), (3, 71896140), (4, 53922105), (5, 43137684), (6, 35948070), (9, 23965380), (10, 21568842), (12, 17974035), (15, 14379228), (18, 11982690), (20, 10784421), (27, 7988460), (30, 7189614), (36, 5991345), (45, 4793076), (54, 3994230), (60, 3594807), (81, 2662820), (90, 2396538), (108, 1997115), (135, 1597692), (162, 1331410), (180, 1198269), (211, 1022220), (270, 798846), (324, 665705), (405, 532564), (422, 511110), (540, 399423), (631, 341820), (633, 340740), (810, 266282), (844, 255555), (1055, 204444), (1262, 170910), (1266, 170370), (1620, 133141), (1893, 113940), (1899, 113580), (2110, 102222), (2524, 85455), (2532, 85185), (3155, 68364), (3165, 68148), (3786, 56970), (3798, 56790), (4220, 51111), (5679, 37980), (5697, 37860), (6310, 34182), (6330, 34074), (7572, 28485), (7596, 28395), (9465, 22788), (9495, 22716), (11358, 18990), (11394, 18930), (12620, 17091), (12660, 17037)]