138046860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^2$

素因数の和:684

約数の個数: 108

約数和(自身を含む): 480012624

約数和(自身を除く): 341965764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 331, 420, 630, 662, 993, 1260, 1324, 1655, 1986, 2317, 2979, 3310, 3972, 4634, 4965, 5958, 6620, 6951, 9268, 9930, 11585, 11916, 13902, 14895, 19860, 20853, 23170, 27804, 29790, 34755, 41706, 46340, 59580, 69510, 83412, 104265, 109561, 139020, 208530, 219122, 328683, 417060, 438244, 547805, 657366, 766927, 986049, 1095610, 1314732, 1533854, 1643415, 1972098, 2191220, 2300781, 3067708, 3286830, 3834635, 3944196, 4601562, 4930245, 6573660, 6902343, 7669270, 9203124, 9860490, 11503905, 13804686, 15338540, 19720980, 23007810, 27609372, 34511715, 46015620, 69023430, 138046860]

約数ペア:

[(1, 138046860), (2, 69023430), (3, 46015620), (4, 34511715), (5, 27609372), (6, 23007810), (7, 19720980), (9, 15338540), (10, 13804686), (12, 11503905), (14, 9860490), (15, 9203124), (18, 7669270), (20, 6902343), (21, 6573660), (28, 4930245), (30, 4601562), (35, 3944196), (36, 3834635), (42, 3286830), (45, 3067708), (60, 2300781), (63, 2191220), (70, 1972098), (84, 1643415), (90, 1533854), (105, 1314732), (126, 1095610), (140, 986049), (180, 766927), (210, 657366), (252, 547805), (315, 438244), (331, 417060), (420, 328683), (630, 219122), (662, 208530), (993, 139020), (1260, 109561), (1324, 104265), (1655, 83412), (1986, 69510), (2317, 59580), (2979, 46340), (3310, 41706), (3972, 34755), (4634, 29790), (4965, 27804), (5958, 23170), (6620, 20853), (6951, 19860), (9268, 14895), (9930, 13902), (11585, 11916)]