401981520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6673}}^1$

素因数の和:6940

約数の個数: 80

約数和(自身を含む): 1251294912

約数和(自身を除く): 849313392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4016, 5020, 6024, 6673, 7530, 10040, 12048, 13346, 15060, 20019, 20080, 26692, 30120, 33365, 40038, 53384, 60240, 66730, 80076, 100095, 106768, 133460, 160152, 200190, 266920, 320304, 400380, 533840, 800760, 1601520, 1674923, 3349846, 5024769, 6699692, 8374615, 10049538, 13399384, 16749230, 20099076, 25123845, 26798768, 33498460, 40198152, 50247690, 66996920, 80396304, 100495380, 133993840, 200990760, 401981520]

約数ペア:

[(1, 401981520), (2, 200990760), (3, 133993840), (4, 100495380), (5, 80396304), (6, 66996920), (8, 50247690), (10, 40198152), (12, 33498460), (15, 26798768), (16, 25123845), (20, 20099076), (24, 16749230), (30, 13399384), (40, 10049538), (48, 8374615), (60, 6699692), (80, 5024769), (120, 3349846), (240, 1674923), (251, 1601520), (502, 800760), (753, 533840), (1004, 400380), (1255, 320304), (1506, 266920), (2008, 200190), (2510, 160152), (3012, 133460), (3765, 106768), (4016, 100095), (5020, 80076), (6024, 66730), (6673, 60240), (7530, 53384), (10040, 40038), (12048, 33365), (13346, 30120), (15060, 26692), (20019, 20080)]