155376720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{215801}}^1$

素因数の和:215820

約数の個数: 60

約数和(自身を含む): 521809236

約数和(自身を除く): 366432516

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 215801, 431602, 647403, 863204, 1079005, 1294806, 1726408, 1942209, 2158010, 2589612, 3237015, 3452816, 3884418, 4316020, 5179224, 6474030, 7768836, 8632040, 9711045, 10358448, 12948060, 15537672, 17264080, 19422090, 25896120, 31075344, 38844180, 51792240, 77688360, 155376720]

約数ペア:

[(1, 155376720), (2, 77688360), (3, 51792240), (4, 38844180), (5, 31075344), (6, 25896120), (8, 19422090), (9, 17264080), (10, 15537672), (12, 12948060), (15, 10358448), (16, 9711045), (18, 8632040), (20, 7768836), (24, 6474030), (30, 5179224), (36, 4316020), (40, 3884418), (45, 3452816), (48, 3237015), (60, 2589612), (72, 2158010), (80, 1942209), (90, 1726408), (120, 1294806), (144, 1079005), (180, 863204), (240, 647403), (360, 431602), (720, 215801)]