68820420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 206236800

約数和(自身を除く): 137416380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 109, 170, 204, 218, 255, 327, 340, 436, 510, 545, 619, 654, 1020, 1090, 1238, 1308, 1635, 1853, 1857, 2180, 2476, 3095, 3270, 3706, 3714, 5559, 6190, 6540, 7412, 7428, 9265, 9285, 10523, 11118, 12380, 18530, 18570, 21046, 22236, 27795, 31569, 37060, 37140, 42092, 52615, 55590, 63138, 67471, 105230, 111180, 126276, 134942, 157845, 202413, 210460, 269884, 315690, 337355, 404826, 631380, 674710, 809652, 1012065, 1147007, 1349420, 2024130, 2294014, 3441021, 4048260, 4588028, 5735035, 6882042, 11470070, 13764084, 17205105, 22940140, 34410210, 68820420]

約数ペア:

[(1, 68820420), (2, 34410210), (3, 22940140), (4, 17205105), (5, 13764084), (6, 11470070), (10, 6882042), (12, 5735035), (15, 4588028), (17, 4048260), (20, 3441021), (30, 2294014), (34, 2024130), (51, 1349420), (60, 1147007), (68, 1012065), (85, 809652), (102, 674710), (109, 631380), (170, 404826), (204, 337355), (218, 315690), (255, 269884), (327, 210460), (340, 202413), (436, 157845), (510, 134942), (545, 126276), (619, 111180), (654, 105230), (1020, 67471), (1090, 63138), (1238, 55590), (1308, 52615), (1635, 42092), (1853, 37140), (1857, 37060), (2180, 31569), (2476, 27795), (3095, 22236), (3270, 21046), (3706, 18570), (3714, 18530), (5559, 12380), (6190, 11118), (6540, 10523), (7412, 9285), (7428, 9265)]