51306240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 169537536

約数和(自身を除く): 118231296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 431, 465, 480, 496, 620, 640, 744, 768, 862, 930, 960, 992, 1240, 1280, 1293, 1488, 1724, 1860, 1920, 1984, 2155, 2480, 2586, 2976, 3448, 3720, 3840, 3968, 4310, 4960, 5172, 5952, 6465, 6896, 7440, 7936, 8620, 9920, 10344, 11904, 12930, 13361, 13792, 14880, 17240, 19840, 20688, 23808, 25860, 26722, 27584, 29760, 34480, 39680, 40083, 41376, 51720, 53444, 55168, 59520, 66805, 68960, 80166, 82752, 103440, 106888, 110336, 119040, 133610, 137920, 160332, 165504, 200415, 206880, 213776, 267220, 275840, 320664, 331008, 400830, 413760, 427552, 534440, 551680, 641328, 801660, 827520, 855104, 1068880, 1282656, 1603320, 1655040, 1710208, 2137760, 2565312, 3206640, 3420416, 4275520, 5130624, 6413280, 8551040, 10261248, 12826560, 17102080, 25653120, 51306240]

約数ペア:

[(1, 51306240), (2, 25653120), (3, 17102080), (4, 12826560), (5, 10261248), (6, 8551040), (8, 6413280), (10, 5130624), (12, 4275520), (15, 3420416), (16, 3206640), (20, 2565312), (24, 2137760), (30, 1710208), (31, 1655040), (32, 1603320), (40, 1282656), (48, 1068880), (60, 855104), (62, 827520), (64, 801660), (80, 641328), (93, 551680), (96, 534440), (120, 427552), (124, 413760), (128, 400830), (155, 331008), (160, 320664), (186, 275840), (192, 267220), (240, 213776), (248, 206880), (256, 200415), (310, 165504), (320, 160332), (372, 137920), (384, 133610), (431, 119040), (465, 110336), (480, 106888), (496, 103440), (620, 82752), (640, 80166), (744, 68960), (768, 66805), (862, 59520), (930, 55168), (960, 53444), (992, 51720), (1240, 41376), (1280, 40083), (1293, 39680), (1488, 34480), (1724, 29760), (1860, 27584), (1920, 26722), (1984, 25860), (2155, 23808), (2480, 20688), (2586, 19840), (2976, 17240), (3448, 14880), (3720, 13792), (3840, 13361), (3968, 12930), (4310, 11904), (4960, 10344), (5172, 9920), (5952, 8620), (6465, 7936), (6896, 7440)]