12840027888

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{20021}}^1$

素因数の和:20494

約数の個数: 80

約数和(自身を含む): 34321231872

約数和(自身を除く): 21481203984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 431, 496, 744, 862, 1293, 1488, 1724, 2586, 3448, 5172, 6896, 10344, 13361, 20021, 20688, 26722, 40042, 40083, 53444, 60063, 80084, 80166, 106888, 120126, 160168, 160332, 213776, 240252, 320336, 320664, 480504, 620651, 641328, 961008, 1241302, 1861953, 2482604, 3723906, 4965208, 7447812, 8629051, 9930416, 14895624, 17258102, 25887153, 29791248, 34516204, 51774306, 69032408, 103548612, 138064816, 207097224, 267500581, 414194448, 535001162, 802501743, 1070002324, 1605003486, 2140004648, 3210006972, 4280009296, 6420013944, 12840027888]

約数ペア:

[(1, 12840027888), (2, 6420013944), (3, 4280009296), (4, 3210006972), (6, 2140004648), (8, 1605003486), (12, 1070002324), (16, 802501743), (24, 535001162), (31, 414194448), (48, 267500581), (62, 207097224), (93, 138064816), (124, 103548612), (186, 69032408), (248, 51774306), (372, 34516204), (431, 29791248), (496, 25887153), (744, 17258102), (862, 14895624), (1293, 9930416), (1488, 8629051), (1724, 7447812), (2586, 4965208), (3448, 3723906), (5172, 2482604), (6896, 1861953), (10344, 1241302), (13361, 961008), (20021, 641328), (20688, 620651), (26722, 480504), (40042, 320664), (40083, 320336), (53444, 240252), (60063, 213776), (80084, 160332), (80166, 160168), (106888, 120126)]