180557300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 494968320

約数和(自身を除く): 314411020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 131, 140, 154, 175, 179, 220, 262, 275, 308, 350, 358, 385, 524, 550, 655, 700, 716, 770, 895, 917, 1100, 1253, 1310, 1441, 1540, 1790, 1834, 1925, 1969, 2506, 2620, 2882, 3275, 3580, 3668, 3850, 3938, 4475, 4585, 5012, 5764, 6265, 6550, 7205, 7700, 7876, 8950, 9170, 9845, 10087, 12530, 13100, 13783, 14410, 17900, 18340, 19690, 20174, 22925, 23449, 25060, 27566, 28820, 31325, 36025, 39380, 40348, 45850, 46898, 49225, 50435, 55132, 62650, 68915, 72050, 91700, 93796, 98450, 100870, 117245, 125300, 137830, 144100, 164143, 196900, 201740, 234490, 252175, 257939, 275660, 328286, 344575, 468980, 504350, 515878, 586225, 656572, 689150, 820715, 1008700, 1031756, 1172450, 1289695, 1378300, 1641430, 1805573, 2344900, 2579390, 3282860, 3611146, 4103575, 5158780, 6448475, 7222292, 8207150, 9027865, 12896950, 16414300, 18055730, 25793900, 36111460, 45139325, 90278650, 180557300]

約数ペア:

[(1, 180557300), (2, 90278650), (4, 45139325), (5, 36111460), (7, 25793900), (10, 18055730), (11, 16414300), (14, 12896950), (20, 9027865), (22, 8207150), (25, 7222292), (28, 6448475), (35, 5158780), (44, 4103575), (50, 3611146), (55, 3282860), (70, 2579390), (77, 2344900), (100, 1805573), (110, 1641430), (131, 1378300), (140, 1289695), (154, 1172450), (175, 1031756), (179, 1008700), (220, 820715), (262, 689150), (275, 656572), (308, 586225), (350, 515878), (358, 504350), (385, 468980), (524, 344575), (550, 328286), (655, 275660), (700, 257939), (716, 252175), (770, 234490), (895, 201740), (917, 196900), (1100, 164143), (1253, 144100), (1310, 137830), (1441, 125300), (1540, 117245), (1790, 100870), (1834, 98450), (1925, 93796), (1969, 91700), (2506, 72050), (2620, 68915), (2882, 62650), (3275, 55132), (3580, 50435), (3668, 49225), (3850, 46898), (3938, 45850), (4475, 40348), (4585, 39380), (5012, 36025), (5764, 31325), (6265, 28820), (6550, 27566), (7205, 25060), (7700, 23449), (7876, 22925), (8950, 20174), (9170, 19690), (9845, 18340), (10087, 17900), (12530, 14410), (13100, 13783)]