247666860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{196561}}^1$

素因数の和:196583

約数の個数: 72

約数和(自身を含む): 858582816

約数和(自身を除く): 610915956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 196561, 393122, 589683, 786244, 982805, 1179366, 1375927, 1769049, 1965610, 2358732, 2751854, 2948415, 3538098, 3931220, 4127781, 5503708, 5896830, 6879635, 7076196, 8255562, 8845245, 11793660, 12383343, 13759270, 16511124, 17690490, 20638905, 24766686, 27518540, 35380980, 41277810, 49533372, 61916715, 82555620, 123833430, 247666860]

約数ペア:

[(1, 247666860), (2, 123833430), (3, 82555620), (4, 61916715), (5, 49533372), (6, 41277810), (7, 35380980), (9, 27518540), (10, 24766686), (12, 20638905), (14, 17690490), (15, 16511124), (18, 13759270), (20, 12383343), (21, 11793660), (28, 8845245), (30, 8255562), (35, 7076196), (36, 6879635), (42, 5896830), (45, 5503708), (60, 4127781), (63, 3931220), (70, 3538098), (84, 2948415), (90, 2751854), (105, 2358732), (126, 1965610), (140, 1769049), (180, 1375927), (210, 1179366), (252, 982805), (315, 786244), (420, 589683), (630, 393122), (1260, 196561)]