68839760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 176185152

約数和(自身を除く): 107345392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 548, 571, 685, 880, 1096, 1142, 1370, 1507, 2192, 2284, 2740, 2855, 3014, 4568, 5480, 5710, 6028, 6281, 7535, 9136, 10960, 11420, 12056, 12562, 15070, 22840, 24112, 25124, 30140, 31405, 45680, 50248, 60280, 62810, 78227, 100496, 120560, 125620, 156454, 251240, 312908, 391135, 502480, 625816, 782270, 860497, 1251632, 1564540, 1720994, 3129080, 3441988, 4302485, 6258160, 6883976, 8604970, 13767952, 17209940, 34419880, 68839760]

約数ペア:

[(1, 68839760), (2, 34419880), (4, 17209940), (5, 13767952), (8, 8604970), (10, 6883976), (11, 6258160), (16, 4302485), (20, 3441988), (22, 3129080), (40, 1720994), (44, 1564540), (55, 1251632), (80, 860497), (88, 782270), (110, 625816), (137, 502480), (176, 391135), (220, 312908), (274, 251240), (440, 156454), (548, 125620), (571, 120560), (685, 100496), (880, 78227), (1096, 62810), (1142, 60280), (1370, 50248), (1507, 45680), (2192, 31405), (2284, 30140), (2740, 25124), (2855, 24112), (3014, 22840), (4568, 15070), (5480, 12562), (5710, 12056), (6028, 11420), (6281, 10960), (7535, 9136)]