61900720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{15791}}^1$

素因数の和:15818

約数の個数: 60

約数和(自身を含む): 167426784

約数和(自身を除く): 105526064

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, 15791, 31582, 63164, 78955, 110537, 126328, 157910, 221074, 252656, 315820, 442148, 552685, 631640, 773759, 884296, 1105370, 1263280, 1547518, 1768592, 2210740, 3095036, 3868795, 4421480, 6190072, 7737590, 8842960, 12380144, 15475180, 30950360, 61900720]

約数ペア:

[(1, 61900720), (2, 30950360), (4, 15475180), (5, 12380144), (7, 8842960), (8, 7737590), (10, 6190072), (14, 4421480), (16, 3868795), (20, 3095036), (28, 2210740), (35, 1768592), (40, 1547518), (49, 1263280), (56, 1105370), (70, 884296), (80, 773759), (98, 631640), (112, 552685), (140, 442148), (196, 315820), (245, 252656), (280, 221074), (392, 157910), (490, 126328), (560, 110537), (784, 78955), (980, 63164), (1960, 31582), (3920, 15791)]