12020805480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{638047}}^1$

素因数の和:638218

約数の個数: 64

約数和(自身を含む): 36292170240

約数和(自身を除く): 24271364760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 638047, 1276094, 1914141, 2552188, 3190235, 3828282, 5104376, 6380470, 7656564, 9570705, 12760940, 15313128, 19141410, 25521880, 38282820, 76565640, 100173379, 200346758, 300520137, 400693516, 500866895, 601040274, 801387032, 1001733790, 1202080548, 1502600685, 2003467580, 2404161096, 3005201370, 4006935160, 6010402740, 12020805480]

約数ペア:

[(1, 12020805480), (2, 6010402740), (3, 4006935160), (4, 3005201370), (5, 2404161096), (6, 2003467580), (8, 1502600685), (10, 1202080548), (12, 1001733790), (15, 801387032), (20, 601040274), (24, 500866895), (30, 400693516), (40, 300520137), (60, 200346758), (120, 100173379), (157, 76565640), (314, 38282820), (471, 25521880), (628, 19141410), (785, 15313128), (942, 12760940), (1256, 9570705), (1570, 7656564), (1884, 6380470), (2355, 5104376), (3140, 3828282), (3768, 3190235), (4710, 2552188), (6280, 1914141), (9420, 1276094), (18840, 638047)]