21760920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20149}}^1$

素因数の和:20169

約数の個数: 64

約数和(自身を含む): 72540000

約数和(自身を除く): 50779080

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20149, 40298, 60447, 80596, 100745, 120894, 161192, 181341, 201490, 241788, 302235, 362682, 402980, 483576, 544023, 604470, 725364, 805960, 906705, 1088046, 1208940, 1450728, 1813410, 2176092, 2417880, 2720115, 3626820, 4352184, 5440230, 7253640, 10880460, 21760920]

約数ペア:

[(1, 21760920), (2, 10880460), (3, 7253640), (4, 5440230), (5, 4352184), (6, 3626820), (8, 2720115), (9, 2417880), (10, 2176092), (12, 1813410), (15, 1450728), (18, 1208940), (20, 1088046), (24, 906705), (27, 805960), (30, 725364), (36, 604470), (40, 544023), (45, 483576), (54, 402980), (60, 362682), (72, 302235), (90, 241788), (108, 201490), (120, 181341), (135, 161192), (180, 120894), (216, 100745), (270, 80596), (360, 60447), (540, 40298), (1080, 20149)]