128734560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89399}}^1$

素因数の和:89420

約数の個数: 72

約数和(自身を含む): 439311600

約数和(自身を除く): 310577040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89399, 178798, 268197, 357596, 446995, 536394, 715192, 804591, 893990, 1072788, 1340985, 1430384, 1609182, 1787980, 2145576, 2681970, 2860768, 3218364, 3575960, 4022955, 4291152, 5363940, 6436728, 7151920, 8045910, 8582304, 10727880, 12873456, 14303840, 16091820, 21455760, 25746912, 32183640, 42911520, 64367280, 128734560]

約数ペア:

[(1, 128734560), (2, 64367280), (3, 42911520), (4, 32183640), (5, 25746912), (6, 21455760), (8, 16091820), (9, 14303840), (10, 12873456), (12, 10727880), (15, 8582304), (16, 8045910), (18, 7151920), (20, 6436728), (24, 5363940), (30, 4291152), (32, 4022955), (36, 3575960), (40, 3218364), (45, 2860768), (48, 2681970), (60, 2145576), (72, 1787980), (80, 1609182), (90, 1430384), (96, 1340985), (120, 1072788), (144, 893990), (160, 804591), (180, 715192), (240, 536394), (288, 446995), (360, 357596), (480, 268197), (720, 178798), (1440, 89399)]