217922580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3469}}^1$

素因数の和:3833

約数の個数: 72

約数和(自身を含む): 663117000

約数和(自身を除く): 445194420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3469, 3490, 4188, 5235, 6282, 6938, 6980, 10407, 10470, 12564, 13876, 15705, 17345, 20814, 20940, 31221, 31410, 34690, 41628, 52035, 62442, 62820, 69380, 104070, 124884, 156105, 208140, 312210, 624420, 1210681, 2421362, 3632043, 4842724, 6053405, 7264086, 10896129, 12106810, 14528172, 18160215, 21792258, 24213620, 36320430, 43584516, 54480645, 72640860, 108961290, 217922580]

約数ペア:

[(1, 217922580), (2, 108961290), (3, 72640860), (4, 54480645), (5, 43584516), (6, 36320430), (9, 24213620), (10, 21792258), (12, 18160215), (15, 14528172), (18, 12106810), (20, 10896129), (30, 7264086), (36, 6053405), (45, 4842724), (60, 3632043), (90, 2421362), (180, 1210681), (349, 624420), (698, 312210), (1047, 208140), (1396, 156105), (1745, 124884), (2094, 104070), (3141, 69380), (3469, 62820), (3490, 62442), (4188, 52035), (5235, 41628), (6282, 34690), (6938, 31410), (6980, 31221), (10407, 20940), (10470, 20814), (12564, 17345), (13876, 15705)]