153918720

素因数分解:

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

素因数の和:489

約数の個数: 216

約数和(自身を含む): 550996992

約数和(自身を除く): 397078272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 431, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 862, 930, 960, 992, 1116, 1152, 1240, 1280, 1293, 1395, 1440, 1488, 1724, 1860, 1920, 1984, 2155, 2232, 2304, 2480, 2586, 2790, 2880, 2976, 3448, 3720, 3840, 3879, 3968, 4310, 4464, 4960, 5172, 5580, 5760, 5952, 6465, 6896, 7440, 7758, 7936, 8620, 8928, 9920, 10344, 11160, 11520, 11904, 12930, 13361, 13792, 14880, 15516, 17240, 17856, 19395, 19840, 20688, 22320, 23808, 25860, 26722, 27584, 29760, 31032, 34480, 35712, 38790, 39680, 40083, 41376, 44640, 51720, 53444, 55168, 59520, 62064, 66805, 68960, 71424, 77580, 80166, 82752, 89280, 103440, 106888, 110336, 119040, 120249, 124128, 133610, 137920, 155160, 160332, 165504, 178560, 200415, 206880, 213776, 240498, 248256, 267220, 275840, 310320, 320664, 331008, 357120, 400830, 413760, 427552, 480996, 496512, 534440, 551680, 601245, 620640, 641328, 801660, 827520, 855104, 961992, 993024, 1068880, 1202490, 1241280, 1282656, 1603320, 1655040, 1710208, 1923984, 2137760, 2404980, 2482560, 2565312, 3206640, 3420416, 3847968, 4275520, 4809960, 4965120, 5130624, 6413280, 7695936, 8551040, 9619920, 10261248, 12826560, 15391872, 17102080, 19239840, 25653120, 30783744, 38479680, 51306240, 76959360, 153918720]

約数ペア:

[(1, 153918720), (2, 76959360), (3, 51306240), (4, 38479680), (5, 30783744), (6, 25653120), (8, 19239840), (9, 17102080), (10, 15391872), (12, 12826560), (15, 10261248), (16, 9619920), (18, 8551040), (20, 7695936), (24, 6413280), (30, 5130624), (31, 4965120), (32, 4809960), (36, 4275520), (40, 3847968), (45, 3420416), (48, 3206640), (60, 2565312), (62, 2482560), (64, 2404980), (72, 2137760), (80, 1923984), (90, 1710208), (93, 1655040), (96, 1603320), (120, 1282656), (124, 1241280), (128, 1202490), (144, 1068880), (155, 993024), (160, 961992), (180, 855104), (186, 827520), (192, 801660), (240, 641328), (248, 620640), (256, 601245), (279, 551680), (288, 534440), (310, 496512), (320, 480996), (360, 427552), (372, 413760), (384, 400830), (431, 357120), (465, 331008), (480, 320664), (496, 310320), (558, 275840), (576, 267220), (620, 248256), (640, 240498), (720, 213776), (744, 206880), (768, 200415), (862, 178560), (930, 165504), (960, 160332), (992, 155160), (1116, 137920), (1152, 133610), (1240, 124128), (1280, 120249), (1293, 119040), (1395, 110336), (1440, 106888), (1488, 103440), (1724, 89280), (1860, 82752), (1920, 80166), (1984, 77580), (2155, 71424), (2232, 68960), (2304, 66805), (2480, 62064), (2586, 59520), (2790, 55168), (2880, 53444), (2976, 51720), (3448, 44640), (3720, 41376), (3840, 40083), (3879, 39680), (3968, 38790), (4310, 35712), (4464, 34480), (4960, 31032), (5172, 29760), (5580, 27584), (5760, 26722), (5952, 25860), (6465, 23808), (6896, 22320), (7440, 20688), (7758, 19840), (7936, 19395), (8620, 17856), (8928, 17240), (9920, 15516), (10344, 14880), (11160, 13792), (11520, 13361), (11904, 12930)]