651952240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2399}}^1$

素因数の和:2534

約数の個数: 80

約数和(自身を含む): 1571328000

約数和(自身を除く): 919375760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 158, 172, 215, 316, 344, 395, 430, 632, 688, 790, 860, 1264, 1580, 1720, 2399, 3160, 3397, 3440, 4798, 6320, 6794, 9596, 11995, 13588, 16985, 19192, 23990, 27176, 33970, 38384, 47980, 54352, 67940, 95960, 103157, 135880, 189521, 191920, 206314, 271760, 379042, 412628, 515785, 758084, 825256, 947605, 1031570, 1516168, 1650512, 1895210, 2063140, 3032336, 3790420, 4126280, 7580840, 8149403, 8252560, 15161680, 16298806, 32597612, 40747015, 65195224, 81494030, 130390448, 162988060, 325976120, 651952240]

約数ペア:

[(1, 651952240), (2, 325976120), (4, 162988060), (5, 130390448), (8, 81494030), (10, 65195224), (16, 40747015), (20, 32597612), (40, 16298806), (43, 15161680), (79, 8252560), (80, 8149403), (86, 7580840), (158, 4126280), (172, 3790420), (215, 3032336), (316, 2063140), (344, 1895210), (395, 1650512), (430, 1516168), (632, 1031570), (688, 947605), (790, 825256), (860, 758084), (1264, 515785), (1580, 412628), (1720, 379042), (2399, 271760), (3160, 206314), (3397, 191920), (3440, 189521), (4798, 135880), (6320, 103157), (6794, 95960), (9596, 67940), (11995, 54352), (13588, 47980), (16985, 38384), (19192, 33970), (23990, 27176)]