72364440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 229340160

約数和(自身を除く): 156975720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 157, 167, 184, 230, 276, 314, 334, 345, 460, 471, 501, 552, 628, 668, 690, 785, 835, 920, 942, 1002, 1256, 1336, 1380, 1570, 1670, 1884, 2004, 2355, 2505, 2760, 3140, 3340, 3611, 3768, 3841, 4008, 4710, 5010, 6280, 6680, 7222, 7682, 9420, 10020, 10833, 11523, 14444, 15364, 18055, 18840, 19205, 20040, 21666, 23046, 26219, 28888, 30728, 36110, 38410, 43332, 46092, 52438, 54165, 57615, 72220, 76820, 78657, 86664, 92184, 104876, 108330, 115230, 131095, 144440, 153640, 157314, 209752, 216660, 230460, 262190, 314628, 393285, 433320, 460920, 524380, 603037, 629256, 786570, 1048760, 1206074, 1573140, 1809111, 2412148, 3015185, 3146280, 3618222, 4824296, 6030370, 7236444, 9045555, 12060740, 14472888, 18091110, 24121480, 36182220, 72364440]

約数ペア:

[(1, 72364440), (2, 36182220), (3, 24121480), (4, 18091110), (5, 14472888), (6, 12060740), (8, 9045555), (10, 7236444), (12, 6030370), (15, 4824296), (20, 3618222), (23, 3146280), (24, 3015185), (30, 2412148), (40, 1809111), (46, 1573140), (60, 1206074), (69, 1048760), (92, 786570), (115, 629256), (120, 603037), (138, 524380), (157, 460920), (167, 433320), (184, 393285), (230, 314628), (276, 262190), (314, 230460), (334, 216660), (345, 209752), (460, 157314), (471, 153640), (501, 144440), (552, 131095), (628, 115230), (668, 108330), (690, 104876), (785, 92184), (835, 86664), (920, 78657), (942, 76820), (1002, 72220), (1256, 57615), (1336, 54165), (1380, 52438), (1570, 46092), (1670, 43332), (1884, 38410), (2004, 36110), (2355, 30728), (2505, 28888), (2760, 26219), (3140, 23046), (3340, 21666), (3611, 20040), (3768, 19205), (3841, 18840), (4008, 18055), (4710, 15364), (5010, 14444), (6280, 11523), (6680, 10833), (7222, 10020), (7682, 9420)]