249842560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1596

約数の個数: 128

約数和(自身を含む): 680348160

約数和(自身を除く): 430505600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 640, 704, 736, 880, 920, 1012, 1265, 1408, 1472, 1543, 1760, 1840, 2024, 2530, 2944, 3086, 3520, 3680, 4048, 5060, 6172, 7040, 7360, 7715, 8096, 10120, 12344, 14720, 15430, 16192, 16973, 20240, 24688, 30860, 32384, 33946, 35489, 40480, 49376, 61720, 67892, 70978, 80960, 84865, 98752, 123440, 135784, 141956, 161920, 169730, 177445, 197504, 246880, 271568, 283912, 339460, 354890, 390379, 493760, 543136, 567824, 678920, 709780, 780758, 987520, 1086272, 1135648, 1357840, 1419560, 1561516, 1951895, 2172544, 2271296, 2715680, 2839120, 3123032, 3903790, 4542592, 5431360, 5678240, 6246064, 7807580, 10862720, 11356480, 12492128, 15615160, 22712960, 24984256, 31230320, 49968512, 62460640, 124921280, 249842560]

約数ペア:

[(1, 249842560), (2, 124921280), (4, 62460640), (5, 49968512), (8, 31230320), (10, 24984256), (11, 22712960), (16, 15615160), (20, 12492128), (22, 11356480), (23, 10862720), (32, 7807580), (40, 6246064), (44, 5678240), (46, 5431360), (55, 4542592), (64, 3903790), (80, 3123032), (88, 2839120), (92, 2715680), (110, 2271296), (115, 2172544), (128, 1951895), (160, 1561516), (176, 1419560), (184, 1357840), (220, 1135648), (230, 1086272), (253, 987520), (320, 780758), (352, 709780), (368, 678920), (440, 567824), (460, 543136), (506, 493760), (640, 390379), (704, 354890), (736, 339460), (880, 283912), (920, 271568), (1012, 246880), (1265, 197504), (1408, 177445), (1472, 169730), (1543, 161920), (1760, 141956), (1840, 135784), (2024, 123440), (2530, 98752), (2944, 84865), (3086, 80960), (3520, 70978), (3680, 67892), (4048, 61720), (5060, 49376), (6172, 40480), (7040, 35489), (7360, 33946), (7715, 32384), (8096, 30860), (10120, 24688), (12344, 20240), (14720, 16973), (15430, 16192)]