1991337360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{176537}}^1$

素因数の和:176600

約数の個数: 80

約数和(自身を含む): 6304525056

約数和(自身を除く): 4313187696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 176537, 353074, 529611, 706148, 882685, 1059222, 1412296, 1765370, 2118444, 2648055, 2824592, 3530740, 4236888, 5296110, 7061480, 8297239, 8473776, 10592220, 14122960, 16594478, 21184440, 24891717, 33188956, 41486195, 42368880, 49783434, 66377912, 82972390, 99566868, 124458585, 132755824, 165944780, 199133736, 248917170, 331889560, 398267472, 497834340, 663779120, 995668680, 1991337360]

約数ペア:

[(1, 1991337360), (2, 995668680), (3, 663779120), (4, 497834340), (5, 398267472), (6, 331889560), (8, 248917170), (10, 199133736), (12, 165944780), (15, 132755824), (16, 124458585), (20, 99566868), (24, 82972390), (30, 66377912), (40, 49783434), (47, 42368880), (48, 41486195), (60, 33188956), (80, 24891717), (94, 21184440), (120, 16594478), (141, 14122960), (188, 10592220), (235, 8473776), (240, 8297239), (282, 7061480), (376, 5296110), (470, 4236888), (564, 3530740), (705, 2824592), (752, 2648055), (940, 2118444), (1128, 1765370), (1410, 1412296), (1880, 1059222), (2256, 882685), (2820, 706148), (3760, 529611), (5640, 353074), (11280, 176537)]