654470280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{201997}}^1$

素因数の和:202020

約数の個数: 80

約数和(自身を含む): 2199758220

約数和(自身を除く): 1545287940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 201997, 403994, 605991, 807988, 1009985, 1211982, 1615976, 1817973, 2019970, 2423964, 3029955, 3635946, 4039940, 4847928, 5453919, 6059910, 7271892, 8079880, 9089865, 10907838, 12119820, 14543784, 16361757, 18179730, 21815676, 24239640, 27269595, 32723514, 36359460, 43631352, 54539190, 65447028, 72718920, 81808785, 109078380, 130894056, 163617570, 218156760, 327235140, 654470280]

約数ペア:

[(1, 654470280), (2, 327235140), (3, 218156760), (4, 163617570), (5, 130894056), (6, 109078380), (8, 81808785), (9, 72718920), (10, 65447028), (12, 54539190), (15, 43631352), (18, 36359460), (20, 32723514), (24, 27269595), (27, 24239640), (30, 21815676), (36, 18179730), (40, 16361757), (45, 14543784), (54, 12119820), (60, 10907838), (72, 9089865), (81, 8079880), (90, 7271892), (108, 6059910), (120, 5453919), (135, 4847928), (162, 4039940), (180, 3635946), (216, 3029955), (270, 2423964), (324, 2019970), (360, 1817973), (405, 1615976), (540, 1211982), (648, 1009985), (810, 807988), (1080, 605991), (1620, 403994), (3240, 201997)]