18908408040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1003631}}^1$

素因数の和:1003802

約数の個数: 64

約数和(自身を含む): 57086588160

約数和(自身を除く): 38178180120

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, 1003631, 2007262, 3010893, 4014524, 5018155, 6021786, 8029048, 10036310, 12043572, 15054465, 20072620, 24087144, 30108930, 40145240, 60217860, 120435720, 157570067, 315140134, 472710201, 630280268, 787850335, 945420402, 1260560536, 1575700670, 1890840804, 2363551005, 3151401340, 3781681608, 4727102010, 6302802680, 9454204020, 18908408040]

約数ペア:

[(1, 18908408040), (2, 9454204020), (3, 6302802680), (4, 4727102010), (5, 3781681608), (6, 3151401340), (8, 2363551005), (10, 1890840804), (12, 1575700670), (15, 1260560536), (20, 945420402), (24, 787850335), (30, 630280268), (40, 472710201), (60, 315140134), (120, 157570067), (157, 120435720), (314, 60217860), (471, 40145240), (628, 30108930), (785, 24087144), (942, 20072620), (1256, 15054465), (1570, 12043572), (1884, 10036310), (2355, 8029048), (3140, 6021786), (3768, 5018155), (4710, 4014524), (6280, 3010893), (9420, 2007262), (18840, 1003631)]