69987680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 196499520

約数和(自身を除く): 126511840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 112, 113, 140, 158, 160, 196, 224, 226, 245, 280, 316, 392, 395, 452, 490, 553, 560, 565, 632, 784, 790, 791, 904, 980, 1106, 1120, 1130, 1264, 1568, 1580, 1582, 1808, 1960, 2212, 2260, 2528, 2765, 3160, 3164, 3616, 3871, 3920, 3955, 4424, 4520, 5530, 5537, 6320, 6328, 7742, 7840, 7910, 8848, 8927, 9040, 11060, 11074, 12640, 12656, 15484, 15820, 17696, 17854, 18080, 19355, 22120, 22148, 25312, 27685, 30968, 31640, 35708, 38710, 44240, 44296, 44635, 55370, 61936, 62489, 63280, 71416, 77420, 88480, 88592, 89270, 110740, 123872, 124978, 126560, 142832, 154840, 177184, 178540, 221480, 249956, 285664, 309680, 312445, 357080, 437423, 442960, 499912, 619360, 624890, 714160, 874846, 885920, 999824, 1249780, 1428320, 1749692, 1999648, 2187115, 2499560, 3499384, 4374230, 4999120, 6998768, 8748460, 9998240, 13997536, 17496920, 34993840, 69987680]

約数ペア:

[(1, 69987680), (2, 34993840), (4, 17496920), (5, 13997536), (7, 9998240), (8, 8748460), (10, 6998768), (14, 4999120), (16, 4374230), (20, 3499384), (28, 2499560), (32, 2187115), (35, 1999648), (40, 1749692), (49, 1428320), (56, 1249780), (70, 999824), (79, 885920), (80, 874846), (98, 714160), (112, 624890), (113, 619360), (140, 499912), (158, 442960), (160, 437423), (196, 357080), (224, 312445), (226, 309680), (245, 285664), (280, 249956), (316, 221480), (392, 178540), (395, 177184), (452, 154840), (490, 142832), (553, 126560), (560, 124978), (565, 123872), (632, 110740), (784, 89270), (790, 88592), (791, 88480), (904, 77420), (980, 71416), (1106, 63280), (1120, 62489), (1130, 61936), (1264, 55370), (1568, 44635), (1580, 44296), (1582, 44240), (1808, 38710), (1960, 35708), (2212, 31640), (2260, 30968), (2528, 27685), (2765, 25312), (3160, 22148), (3164, 22120), (3616, 19355), (3871, 18080), (3920, 17854), (3955, 17696), (4424, 15820), (4520, 15484), (5530, 12656), (5537, 12640), (6320, 11074), (6328, 11060), (7742, 9040), (7840, 8927), (7910, 8848)]