28971180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22993}}^1$

素因数の和:23015

約数の個数: 72

約数和(自身を含む): 100437792

約数和(自身を除く): 71466612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22993, 45986, 68979, 91972, 114965, 137958, 160951, 206937, 229930, 275916, 321902, 344895, 413874, 459860, 482853, 643804, 689790, 804755, 827748, 965706, 1034685, 1379580, 1448559, 1609510, 1931412, 2069370, 2414265, 2897118, 3219020, 4138740, 4828530, 5794236, 7242795, 9657060, 14485590, 28971180]

約数ペア:

[(1, 28971180), (2, 14485590), (3, 9657060), (4, 7242795), (5, 5794236), (6, 4828530), (7, 4138740), (9, 3219020), (10, 2897118), (12, 2414265), (14, 2069370), (15, 1931412), (18, 1609510), (20, 1448559), (21, 1379580), (28, 1034685), (30, 965706), (35, 827748), (36, 804755), (42, 689790), (45, 643804), (60, 482853), (63, 459860), (70, 413874), (84, 344895), (90, 321902), (105, 275916), (126, 229930), (140, 206937), (180, 160951), (210, 137958), (252, 114965), (315, 91972), (420, 68979), (630, 45986), (1260, 22993)]