140748720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:643

約数の個数: 160

約数和(自身を含む): 502348800

約数和(自身を除く): 361600080

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, 199, 210, 240, 280, 336, 398, 420, 421, 560, 597, 796, 840, 842, 995, 1194, 1263, 1393, 1592, 1680, 1684, 1990, 2105, 2388, 2526, 2786, 2947, 2985, 3184, 3368, 3980, 4179, 4210, 4776, 5052, 5572, 5894, 5970, 6315, 6736, 6965, 7960, 8358, 8420, 8841, 9552, 10104, 11144, 11788, 11940, 12630, 13930, 14735, 15920, 16716, 16840, 17682, 20208, 20895, 22288, 23576, 23880, 25260, 27860, 29470, 33432, 33680, 35364, 41790, 44205, 47152, 47760, 50520, 55720, 58940, 66864, 70728, 83580, 83779, 88410, 101040, 111440, 117880, 141456, 167160, 167558, 176820, 235760, 251337, 334320, 335116, 353640, 418895, 502674, 586453, 670232, 707280, 837790, 1005348, 1172906, 1256685, 1340464, 1675580, 1759359, 2010696, 2345812, 2513370, 2932265, 3351160, 3518718, 4021392, 4691624, 5026740, 5864530, 6702320, 7037436, 8796795, 9383248, 10053480, 11729060, 14074872, 17593590, 20106960, 23458120, 28149744, 35187180, 46916240, 70374360, 140748720]

約数ペア:

[(1, 140748720), (2, 70374360), (3, 46916240), (4, 35187180), (5, 28149744), (6, 23458120), (7, 20106960), (8, 17593590), (10, 14074872), (12, 11729060), (14, 10053480), (15, 9383248), (16, 8796795), (20, 7037436), (21, 6702320), (24, 5864530), (28, 5026740), (30, 4691624), (35, 4021392), (40, 3518718), (42, 3351160), (48, 2932265), (56, 2513370), (60, 2345812), (70, 2010696), (80, 1759359), (84, 1675580), (105, 1340464), (112, 1256685), (120, 1172906), (140, 1005348), (168, 837790), (199, 707280), (210, 670232), (240, 586453), (280, 502674), (336, 418895), (398, 353640), (420, 335116), (421, 334320), (560, 251337), (597, 235760), (796, 176820), (840, 167558), (842, 167160), (995, 141456), (1194, 117880), (1263, 111440), (1393, 101040), (1592, 88410), (1680, 83779), (1684, 83580), (1990, 70728), (2105, 66864), (2388, 58940), (2526, 55720), (2786, 50520), (2947, 47760), (2985, 47152), (3184, 44205), (3368, 41790), (3980, 35364), (4179, 33680), (4210, 33432), (4776, 29470), (5052, 27860), (5572, 25260), (5894, 23880), (5970, 23576), (6315, 22288), (6736, 20895), (6965, 20208), (7960, 17682), (8358, 16840), (8420, 16716), (8841, 15920), (9552, 14735), (10104, 13930), (11144, 12630), (11788, 11940)]