128389600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 108

約数和(自身を含む): 325807272

約数和(自身を除く): 197417672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 167, 200, 248, 310, 334, 400, 496, 620, 668, 775, 800, 835, 961, 992, 1240, 1336, 1550, 1670, 1922, 2480, 2672, 3100, 3340, 3844, 4175, 4805, 4960, 5177, 5344, 6200, 6680, 7688, 8350, 9610, 10354, 12400, 13360, 15376, 16700, 19220, 20708, 24025, 24800, 25885, 26720, 30752, 33400, 38440, 41416, 48050, 51770, 66800, 76880, 82832, 96100, 103540, 129425, 133600, 153760, 160487, 165664, 192200, 207080, 258850, 320974, 384400, 414160, 517700, 641948, 768800, 802435, 828320, 1035400, 1283896, 1604870, 2070800, 2567792, 3209740, 4012175, 4141600, 5135584, 6419480, 8024350, 12838960, 16048700, 25677920, 32097400, 64194800, 128389600]

約数ペア:

[(1, 128389600), (2, 64194800), (4, 32097400), (5, 25677920), (8, 16048700), (10, 12838960), (16, 8024350), (20, 6419480), (25, 5135584), (31, 4141600), (32, 4012175), (40, 3209740), (50, 2567792), (62, 2070800), (80, 1604870), (100, 1283896), (124, 1035400), (155, 828320), (160, 802435), (167, 768800), (200, 641948), (248, 517700), (310, 414160), (334, 384400), (400, 320974), (496, 258850), (620, 207080), (668, 192200), (775, 165664), (800, 160487), (835, 153760), (961, 133600), (992, 129425), (1240, 103540), (1336, 96100), (1550, 82832), (1670, 76880), (1922, 66800), (2480, 51770), (2672, 48050), (3100, 41416), (3340, 38440), (3844, 33400), (4175, 30752), (4805, 26720), (4960, 25885), (5177, 24800), (5344, 24025), (6200, 20708), (6680, 19220), (7688, 16700), (8350, 15376), (9610, 13360), (10354, 12400)]