71209880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{967}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 183997440

約数和(自身を除く): 112787560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 967, 1052, 1315, 1841, 1934, 2104, 2630, 3682, 3868, 4835, 5260, 6769, 7364, 7736, 9205, 9670, 10520, 13538, 14728, 18410, 19340, 27076, 33845, 36820, 38680, 54152, 67690, 73640, 135380, 254321, 270760, 508642, 1017284, 1271605, 1780247, 2034568, 2543210, 3560494, 5086420, 7120988, 8901235, 10172840, 14241976, 17802470, 35604940, 71209880]

約数ペア:

[(1, 71209880), (2, 35604940), (4, 17802470), (5, 14241976), (7, 10172840), (8, 8901235), (10, 7120988), (14, 5086420), (20, 3560494), (28, 2543210), (35, 2034568), (40, 1780247), (56, 1271605), (70, 1017284), (140, 508642), (263, 270760), (280, 254321), (526, 135380), (967, 73640), (1052, 67690), (1315, 54152), (1841, 38680), (1934, 36820), (2104, 33845), (2630, 27076), (3682, 19340), (3868, 18410), (4835, 14728), (5260, 13538), (6769, 10520), (7364, 9670), (7736, 9205)]