43168720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 115671168

約数和(自身を除く): 72502448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 491, 560, 628, 785, 982, 1099, 1256, 1570, 1964, 2198, 2455, 2512, 3140, 3437, 3928, 4396, 4910, 5495, 6280, 6874, 7856, 8792, 9820, 10990, 12560, 13748, 17185, 17584, 19640, 21980, 27496, 34370, 39280, 43960, 54992, 68740, 77087, 87920, 137480, 154174, 274960, 308348, 385435, 539609, 616696, 770870, 1079218, 1233392, 1541740, 2158436, 2698045, 3083480, 4316872, 5396090, 6166960, 8633744, 10792180, 21584360, 43168720]

約数ペア:

[(1, 43168720), (2, 21584360), (4, 10792180), (5, 8633744), (7, 6166960), (8, 5396090), (10, 4316872), (14, 3083480), (16, 2698045), (20, 2158436), (28, 1541740), (35, 1233392), (40, 1079218), (56, 770870), (70, 616696), (80, 539609), (112, 385435), (140, 308348), (157, 274960), (280, 154174), (314, 137480), (491, 87920), (560, 77087), (628, 68740), (785, 54992), (982, 43960), (1099, 39280), (1256, 34370), (1570, 27496), (1964, 21980), (2198, 19640), (2455, 17584), (2512, 17185), (3140, 13748), (3437, 12560), (3928, 10990), (4396, 9820), (4910, 8792), (5495, 7856), (6280, 6874)]