2801640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 8645760

約数和(自身を除く): 5844120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 631, 740, 888, 1110, 1262, 1480, 1893, 2220, 2524, 3155, 3786, 4440, 5048, 6310, 7572, 9465, 12620, 15144, 18930, 23347, 25240, 37860, 46694, 70041, 75720, 93388, 116735, 140082, 186776, 233470, 280164, 350205, 466940, 560328, 700410, 933880, 1400820, 2801640]

約数ペア:

[(1, 2801640), (2, 1400820), (3, 933880), (4, 700410), (5, 560328), (6, 466940), (8, 350205), (10, 280164), (12, 233470), (15, 186776), (20, 140082), (24, 116735), (30, 93388), (37, 75720), (40, 70041), (60, 46694), (74, 37860), (111, 25240), (120, 23347), (148, 18930), (185, 15144), (222, 12620), (296, 9465), (370, 7572), (444, 6310), (555, 5048), (631, 4440), (740, 3786), (888, 3155), (1110, 2524), (1262, 2220), (1480, 1893)]