395776640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 1137144960

約数和(自身を除く): 741368320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 167, 184, 224, 230, 280, 320, 322, 334, 368, 448, 460, 529, 560, 640, 644, 668, 736, 805, 835, 896, 920, 1058, 1120, 1169, 1288, 1336, 1472, 1610, 1670, 1840, 2116, 2240, 2338, 2576, 2645, 2672, 2944, 3220, 3340, 3680, 3703, 3841, 4232, 4480, 4676, 5152, 5290, 5344, 5845, 6440, 6680, 7360, 7406, 7682, 8464, 9352, 10304, 10580, 10688, 11690, 12880, 13360, 14720, 14812, 15364, 16928, 18515, 18704, 19205, 20608, 21160, 21376, 23380, 25760, 26720, 26887, 29624, 30728, 33856, 37030, 37408, 38410, 42320, 46760, 51520, 53440, 53774, 59248, 61456, 67712, 74060, 74816, 76820, 84640, 88343, 93520, 103040, 106880, 107548, 118496, 122912, 134435, 148120, 149632, 153640, 169280, 176686, 187040, 215096, 236992, 245824, 268870, 296240, 307280, 338560, 353372, 374080, 430192, 441715, 473984, 491648, 537740, 592480, 614560, 618401, 706744, 748160, 860384, 883430, 1075480, 1184960, 1229120, 1236802, 1413488, 1720768, 1766860, 2150960, 2369920, 2458240, 2473604, 2826976, 3092005, 3441536, 3533720, 4301920, 4947208, 5653952, 6184010, 7067440, 8603840, 9894416, 11307904, 12368020, 14134880, 17207680, 19788832, 24736040, 28269760, 39577664, 49472080, 56539520, 79155328, 98944160, 197888320, 395776640]

約数ペア:

[(1, 395776640), (2, 197888320), (4, 98944160), (5, 79155328), (7, 56539520), (8, 49472080), (10, 39577664), (14, 28269760), (16, 24736040), (20, 19788832), (23, 17207680), (28, 14134880), (32, 12368020), (35, 11307904), (40, 9894416), (46, 8603840), (56, 7067440), (64, 6184010), (70, 5653952), (80, 4947208), (92, 4301920), (112, 3533720), (115, 3441536), (128, 3092005), (140, 2826976), (160, 2473604), (161, 2458240), (167, 2369920), (184, 2150960), (224, 1766860), (230, 1720768), (280, 1413488), (320, 1236802), (322, 1229120), (334, 1184960), (368, 1075480), (448, 883430), (460, 860384), (529, 748160), (560, 706744), (640, 618401), (644, 614560), (668, 592480), (736, 537740), (805, 491648), (835, 473984), (896, 441715), (920, 430192), (1058, 374080), (1120, 353372), (1169, 338560), (1288, 307280), (1336, 296240), (1472, 268870), (1610, 245824), (1670, 236992), (1840, 215096), (2116, 187040), (2240, 176686), (2338, 169280), (2576, 153640), (2645, 149632), (2672, 148120), (2944, 134435), (3220, 122912), (3340, 118496), (3680, 107548), (3703, 106880), (3841, 103040), (4232, 93520), (4480, 88343), (4676, 84640), (5152, 76820), (5290, 74816), (5344, 74060), (5845, 67712), (6440, 61456), (6680, 59248), (7360, 53774), (7406, 53440), (7682, 51520), (8464, 46760), (9352, 42320), (10304, 38410), (10580, 37408), (10688, 37030), (11690, 33856), (12880, 30728), (13360, 29624), (14720, 26887), (14812, 26720), (15364, 25760), (16928, 23380), (18515, 21376), (18704, 21160), (19205, 20608)]