402780360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21379}}^1$

素因数の和:21550

約数の個数: 64

約数和(自身を含む): 1216094400

約数和(自身を除く): 813314040

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, 21379, 42758, 64137, 85516, 106895, 128274, 171032, 213790, 256548, 320685, 427580, 513096, 641370, 855160, 1282740, 2565480, 3356503, 6713006, 10069509, 13426012, 16782515, 20139018, 26852024, 33565030, 40278036, 50347545, 67130060, 80556072, 100695090, 134260120, 201390180, 402780360]

約数ペア:

[(1, 402780360), (2, 201390180), (3, 134260120), (4, 100695090), (5, 80556072), (6, 67130060), (8, 50347545), (10, 40278036), (12, 33565030), (15, 26852024), (20, 20139018), (24, 16782515), (30, 13426012), (40, 10069509), (60, 6713006), (120, 3356503), (157, 2565480), (314, 1282740), (471, 855160), (628, 641370), (785, 513096), (942, 427580), (1256, 320685), (1570, 256548), (1884, 213790), (2355, 171032), (3140, 128274), (3768, 106895), (4710, 85516), (6280, 64137), (9420, 42758), (18840, 21379)]