128222190

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:839

約数の個数: 80

約数和(自身を含む): 346563360

約数和(自身を除く): 218341170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 311, 405, 509, 622, 810, 933, 1018, 1527, 1555, 1866, 2545, 2799, 3054, 3110, 4581, 4665, 5090, 5598, 7635, 8397, 9162, 9330, 13743, 13995, 15270, 16794, 22905, 25191, 27486, 27990, 41229, 41985, 45810, 50382, 68715, 82458, 83970, 125955, 137430, 158299, 206145, 251910, 316598, 412290, 474897, 791495, 949794, 1424691, 1582990, 2374485, 2849382, 4274073, 4748970, 7123455, 8548146, 12822219, 14246910, 21370365, 25644438, 42740730, 64111095, 128222190]

約数ペア:

[(1, 128222190), (2, 64111095), (3, 42740730), (5, 25644438), (6, 21370365), (9, 14246910), (10, 12822219), (15, 8548146), (18, 7123455), (27, 4748970), (30, 4274073), (45, 2849382), (54, 2374485), (81, 1582990), (90, 1424691), (135, 949794), (162, 791495), (270, 474897), (311, 412290), (405, 316598), (509, 251910), (622, 206145), (810, 158299), (933, 137430), (1018, 125955), (1527, 83970), (1555, 82458), (1866, 68715), (2545, 50382), (2799, 45810), (3054, 41985), (3110, 41229), (4581, 27990), (4665, 27486), (5090, 25191), (5598, 22905), (7635, 16794), (8397, 15270), (9162, 13995), (9330, 13743)]