81095280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48271}}^1$

素因数の和:48294

約数の個数: 80

約数和(自身を含む): 287314944

約数和(自身を除く): 206219664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48271, 96542, 144813, 193084, 241355, 289626, 337897, 386168, 482710, 579252, 675794, 724065, 772336, 965420, 1013691, 1158504, 1351588, 1448130, 1689485, 1930840, 2027382, 2317008, 2703176, 2896260, 3378970, 3861680, 4054764, 5068455, 5406352, 5792520, 6757940, 8109528, 10136910, 11585040, 13515880, 16219056, 20273820, 27031760, 40547640, 81095280]

約数ペア:

[(1, 81095280), (2, 40547640), (3, 27031760), (4, 20273820), (5, 16219056), (6, 13515880), (7, 11585040), (8, 10136910), (10, 8109528), (12, 6757940), (14, 5792520), (15, 5406352), (16, 5068455), (20, 4054764), (21, 3861680), (24, 3378970), (28, 2896260), (30, 2703176), (35, 2317008), (40, 2027382), (42, 1930840), (48, 1689485), (56, 1448130), (60, 1351588), (70, 1158504), (80, 1013691), (84, 965420), (105, 772336), (112, 724065), (120, 675794), (140, 579252), (168, 482710), (210, 386168), (240, 337897), (280, 289626), (336, 241355), (420, 193084), (560, 144813), (840, 96542), (1680, 48271)]