128521080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{39667}}^1$

素因数の和:39690

約数の個数: 80

約数和(自身を含む): 431984520

約数和(自身を除く): 303463440

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, 39667, 79334, 119001, 158668, 198335, 238002, 317336, 357003, 396670, 476004, 595005, 714006, 793340, 952008, 1071009, 1190010, 1428012, 1586680, 1785015, 2142018, 2380020, 2856024, 3213027, 3570030, 4284036, 4760040, 5355045, 6426054, 7140060, 8568072, 10710090, 12852108, 14280120, 16065135, 21420180, 25704216, 32130270, 42840360, 64260540, 128521080]

約数ペア:

[(1, 128521080), (2, 64260540), (3, 42840360), (4, 32130270), (5, 25704216), (6, 21420180), (8, 16065135), (9, 14280120), (10, 12852108), (12, 10710090), (15, 8568072), (18, 7140060), (20, 6426054), (24, 5355045), (27, 4760040), (30, 4284036), (36, 3570030), (40, 3213027), (45, 2856024), (54, 2380020), (60, 2142018), (72, 1785015), (81, 1586680), (90, 1428012), (108, 1190010), (120, 1071009), (135, 952008), (162, 793340), (180, 714006), (216, 595005), (270, 476004), (324, 396670), (360, 357003), (405, 317336), (540, 238002), (648, 198335), (810, 158668), (1080, 119001), (1620, 79334), (3240, 39667)]