28217880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{761}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 92720160

約数和(自身を除く): 64502280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 103, 120, 180, 206, 309, 360, 412, 515, 618, 761, 824, 927, 1030, 1236, 1522, 1545, 1854, 2060, 2283, 2472, 3044, 3090, 3708, 3805, 4120, 4566, 4635, 6088, 6180, 6849, 7416, 7610, 9132, 9270, 11415, 12360, 13698, 15220, 18264, 18540, 22830, 27396, 30440, 34245, 37080, 45660, 54792, 68490, 78383, 91320, 136980, 156766, 235149, 273960, 313532, 391915, 470298, 627064, 705447, 783830, 940596, 1175745, 1410894, 1567660, 1881192, 2351490, 2821788, 3135320, 3527235, 4702980, 5643576, 7054470, 9405960, 14108940, 28217880]

約数ペア:

[(1, 28217880), (2, 14108940), (3, 9405960), (4, 7054470), (5, 5643576), (6, 4702980), (8, 3527235), (9, 3135320), (10, 2821788), (12, 2351490), (15, 1881192), (18, 1567660), (20, 1410894), (24, 1175745), (30, 940596), (36, 783830), (40, 705447), (45, 627064), (60, 470298), (72, 391915), (90, 313532), (103, 273960), (120, 235149), (180, 156766), (206, 136980), (309, 91320), (360, 78383), (412, 68490), (515, 54792), (618, 45660), (761, 37080), (824, 34245), (927, 30440), (1030, 27396), (1236, 22830), (1522, 18540), (1545, 18264), (1854, 15220), (2060, 13698), (2283, 12360), (2472, 11415), (3044, 9270), (3090, 9132), (3708, 7610), (3805, 7416), (4120, 6849), (4566, 6180), (4635, 6088)]