378815880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{20107}}^1$

素因数の和:20278

約数の個数: 64

約数和(自身を含む): 1143743040

約数和(自身を除く): 764927160

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, 20107, 40214, 60321, 80428, 100535, 120642, 160856, 201070, 241284, 301605, 402140, 482568, 603210, 804280, 1206420, 2412840, 3156799, 6313598, 9470397, 12627196, 15783995, 18940794, 25254392, 31567990, 37881588, 47351985, 63135980, 75763176, 94703970, 126271960, 189407940, 378815880]

約数ペア:

[(1, 378815880), (2, 189407940), (3, 126271960), (4, 94703970), (5, 75763176), (6, 63135980), (8, 47351985), (10, 37881588), (12, 31567990), (15, 25254392), (20, 18940794), (24, 15783995), (30, 12627196), (40, 9470397), (60, 6313598), (120, 3156799), (157, 2412840), (314, 1206420), (471, 804280), (628, 603210), (785, 482568), (942, 402140), (1256, 301605), (1570, 241284), (1884, 201070), (2355, 160856), (3140, 120642), (3768, 100535), (4710, 80428), (6280, 60321), (9420, 40214), (18840, 20107)]