201920880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:743

約数の個数: 160

約数和(自身を含む): 719668224

約数和(自身を除く): 517747344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 263, 280, 336, 420, 457, 526, 560, 789, 840, 914, 1052, 1315, 1371, 1578, 1680, 1828, 1841, 2104, 2285, 2630, 2742, 3156, 3199, 3656, 3682, 3945, 4208, 4570, 5260, 5484, 5523, 6312, 6398, 6855, 7312, 7364, 7890, 9140, 9205, 9597, 10520, 10968, 11046, 12624, 12796, 13710, 14728, 15780, 15995, 18280, 18410, 19194, 21040, 21936, 22092, 25592, 27420, 27615, 29456, 31560, 31990, 36560, 36820, 38388, 44184, 47985, 51184, 54840, 55230, 63120, 63980, 73640, 76776, 88368, 95970, 109680, 110460, 120191, 127960, 147280, 153552, 191940, 220920, 240382, 255920, 360573, 383880, 441840, 480764, 600955, 721146, 767760, 841337, 961528, 1201910, 1442292, 1682674, 1802865, 1923056, 2403820, 2524011, 2884584, 3365348, 3605730, 4206685, 4807640, 5048022, 5769168, 6730696, 7211460, 8413370, 9615280, 10096044, 12620055, 13461392, 14422920, 16826740, 20192088, 25240110, 28845840, 33653480, 40384176, 50480220, 67306960, 100960440, 201920880]

約数ペア:

[(1, 201920880), (2, 100960440), (3, 67306960), (4, 50480220), (5, 40384176), (6, 33653480), (7, 28845840), (8, 25240110), (10, 20192088), (12, 16826740), (14, 14422920), (15, 13461392), (16, 12620055), (20, 10096044), (21, 9615280), (24, 8413370), (28, 7211460), (30, 6730696), (35, 5769168), (40, 5048022), (42, 4807640), (48, 4206685), (56, 3605730), (60, 3365348), (70, 2884584), (80, 2524011), (84, 2403820), (105, 1923056), (112, 1802865), (120, 1682674), (140, 1442292), (168, 1201910), (210, 961528), (240, 841337), (263, 767760), (280, 721146), (336, 600955), (420, 480764), (457, 441840), (526, 383880), (560, 360573), (789, 255920), (840, 240382), (914, 220920), (1052, 191940), (1315, 153552), (1371, 147280), (1578, 127960), (1680, 120191), (1828, 110460), (1841, 109680), (2104, 95970), (2285, 88368), (2630, 76776), (2742, 73640), (3156, 63980), (3199, 63120), (3656, 55230), (3682, 54840), (3945, 51184), (4208, 47985), (4570, 44184), (5260, 38388), (5484, 36820), (5523, 36560), (6312, 31990), (6398, 31560), (6855, 29456), (7312, 27615), (7364, 27420), (7890, 25592), (9140, 22092), (9205, 21936), (9597, 21040), (10520, 19194), (10968, 18410), (11046, 18280), (12624, 15995), (12796, 15780), (13710, 14728)]