2729125720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 6614784000

約数和(自身を除く): 3885658280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 149, 172, 184, 215, 230, 298, 344, 430, 460, 463, 596, 745, 860, 920, 926, 989, 1192, 1490, 1720, 1852, 1978, 2315, 2980, 3427, 3704, 3956, 4630, 4945, 5960, 6407, 6854, 7912, 9260, 9890, 10649, 12814, 13708, 17135, 18520, 19780, 19909, 21298, 25628, 27416, 32035, 34270, 39560, 39818, 42596, 51256, 53245, 64070, 68540, 68987, 79636, 85192, 99545, 106490, 128140, 137080, 137974, 147361, 159272, 199090, 212980, 256280, 275948, 294722, 344935, 398180, 425960, 457907, 551896, 589444, 689870, 736805, 796360, 915814, 1178888, 1379740, 1473610, 1586701, 1831628, 2289535, 2759480, 2947220, 2966441, 3173402, 3663256, 4579070, 5894440, 5932882, 6346804, 7933505, 9158140, 11865764, 12693608, 14832205, 15867010, 18316280, 23731528, 29664410, 31734020, 59328820, 63468040, 68228143, 118657640, 136456286, 272912572, 341140715, 545825144, 682281430, 1364562860, 2729125720]

約数ペア:

[(1, 2729125720), (2, 1364562860), (4, 682281430), (5, 545825144), (8, 341140715), (10, 272912572), (20, 136456286), (23, 118657640), (40, 68228143), (43, 63468040), (46, 59328820), (86, 31734020), (92, 29664410), (115, 23731528), (149, 18316280), (172, 15867010), (184, 14832205), (215, 12693608), (230, 11865764), (298, 9158140), (344, 7933505), (430, 6346804), (460, 5932882), (463, 5894440), (596, 4579070), (745, 3663256), (860, 3173402), (920, 2966441), (926, 2947220), (989, 2759480), (1192, 2289535), (1490, 1831628), (1720, 1586701), (1852, 1473610), (1978, 1379740), (2315, 1178888), (2980, 915814), (3427, 796360), (3704, 736805), (3956, 689870), (4630, 589444), (4945, 551896), (5960, 457907), (6407, 425960), (6854, 398180), (7912, 344935), (9260, 294722), (9890, 275948), (10649, 256280), (12814, 212980), (13708, 199090), (17135, 159272), (18520, 147361), (19780, 137974), (19909, 137080), (21298, 128140), (25628, 106490), (27416, 99545), (32035, 85192), (34270, 79636), (39560, 68987), (39818, 68540), (42596, 64070), (51256, 53245)]