666242080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{619}}^1$

素因数の和:703

約数の個数: 144

約数和(自身を含む): 1861755840

約数和(自身を除く): 1195513760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 619, 620, 868, 961, 992, 1085, 1120, 1238, 1240, 1736, 1922, 2170, 2476, 2480, 3095, 3472, 3844, 4333, 4340, 4805, 4952, 4960, 6190, 6727, 6944, 7688, 8666, 8680, 9610, 9904, 12380, 13454, 15376, 17332, 17360, 19189, 19220, 19808, 21665, 24760, 26908, 30752, 33635, 34664, 34720, 38378, 38440, 43330, 49520, 53816, 67270, 69328, 76756, 76880, 86660, 95945, 99040, 107632, 134323, 134540, 138656, 153512, 153760, 173320, 191890, 215264, 268646, 269080, 307024, 346640, 383780, 537292, 538160, 594859, 614048, 671615, 693280, 767560, 1074584, 1076320, 1189718, 1343230, 1535120, 2149168, 2379436, 2686460, 2974295, 3070240, 4164013, 4298336, 4758872, 5372920, 5948590, 8328026, 9517744, 10745840, 11897180, 16656052, 19035488, 20820065, 21491680, 23794360, 33312104, 41640130, 47588720, 66624208, 83280260, 95177440, 133248416, 166560520, 333121040, 666242080]

約数ペア:

[(1, 666242080), (2, 333121040), (4, 166560520), (5, 133248416), (7, 95177440), (8, 83280260), (10, 66624208), (14, 47588720), (16, 41640130), (20, 33312104), (28, 23794360), (31, 21491680), (32, 20820065), (35, 19035488), (40, 16656052), (56, 11897180), (62, 10745840), (70, 9517744), (80, 8328026), (112, 5948590), (124, 5372920), (140, 4758872), (155, 4298336), (160, 4164013), (217, 3070240), (224, 2974295), (248, 2686460), (280, 2379436), (310, 2149168), (434, 1535120), (496, 1343230), (560, 1189718), (619, 1076320), (620, 1074584), (868, 767560), (961, 693280), (992, 671615), (1085, 614048), (1120, 594859), (1238, 538160), (1240, 537292), (1736, 383780), (1922, 346640), (2170, 307024), (2476, 269080), (2480, 268646), (3095, 215264), (3472, 191890), (3844, 173320), (4333, 153760), (4340, 153512), (4805, 138656), (4952, 134540), (4960, 134323), (6190, 107632), (6727, 99040), (6944, 95945), (7688, 86660), (8666, 76880), (8680, 76756), (9610, 69328), (9904, 67270), (12380, 53816), (13454, 49520), (15376, 43330), (17332, 38440), (17360, 38378), (19189, 34720), (19220, 34664), (19808, 33635), (21665, 30752), (24760, 26908)]