156921520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{40031}}^1$

素因数の和:40058

約数の個数: 60

約数和(自身を含む): 424419264

約数和(自身を除く): 267497744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 40031, 80062, 160124, 200155, 280217, 320248, 400310, 560434, 640496, 800620, 1120868, 1401085, 1601240, 1961519, 2241736, 2802170, 3202480, 3923038, 4483472, 5604340, 7846076, 9807595, 11208680, 15692152, 19615190, 22417360, 31384304, 39230380, 78460760, 156921520]

約数ペア:

[(1, 156921520), (2, 78460760), (4, 39230380), (5, 31384304), (7, 22417360), (8, 19615190), (10, 15692152), (14, 11208680), (16, 9807595), (20, 7846076), (28, 5604340), (35, 4483472), (40, 3923038), (49, 3202480), (56, 2802170), (70, 2241736), (80, 1961519), (98, 1601240), (112, 1401085), (140, 1120868), (196, 800620), (245, 640496), (280, 560434), (392, 400310), (490, 320248), (560, 280217), (784, 200155), (980, 160124), (1960, 80062), (3920, 40031)]