388925280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:678

約数の個数: 192

約数和(自身を含む): 1371142080

約数和(自身を除く): 982216800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 197, 216, 240, 270, 288, 360, 394, 432, 457, 480, 540, 591, 720, 788, 864, 914, 985, 1080, 1182, 1371, 1440, 1576, 1773, 1828, 1970, 2160, 2285, 2364, 2742, 2955, 3152, 3546, 3656, 3940, 4113, 4320, 4570, 4728, 5319, 5484, 5910, 6304, 6855, 7092, 7312, 7880, 8226, 8865, 9140, 9456, 10638, 10968, 11820, 12339, 13710, 14184, 14624, 15760, 16452, 17730, 18280, 18912, 20565, 21276, 21936, 23640, 24678, 26595, 27420, 28368, 31520, 32904, 35460, 36560, 41130, 42552, 43872, 47280, 49356, 53190, 54840, 56736, 61695, 65808, 70920, 73120, 82260, 85104, 90029, 94560, 98712, 106380, 109680, 123390, 131616, 141840, 164520, 170208, 180058, 197424, 212760, 219360, 246780, 270087, 283680, 329040, 360116, 394848, 425520, 450145, 493560, 540174, 658080, 720232, 810261, 851040, 900290, 987120, 1080348, 1350435, 1440464, 1620522, 1800580, 1974240, 2160696, 2430783, 2700870, 2880928, 3241044, 3601160, 4051305, 4321392, 4861566, 5401740, 6482088, 7202320, 8102610, 8642784, 9723132, 10803480, 12153915, 12964176, 14404640, 16205220, 19446264, 21606960, 24307830, 25928352, 32410440, 38892528, 43213920, 48615660, 64820880, 77785056, 97231320, 129641760, 194462640, 388925280]

約数ペア:

[(1, 388925280), (2, 194462640), (3, 129641760), (4, 97231320), (5, 77785056), (6, 64820880), (8, 48615660), (9, 43213920), (10, 38892528), (12, 32410440), (15, 25928352), (16, 24307830), (18, 21606960), (20, 19446264), (24, 16205220), (27, 14404640), (30, 12964176), (32, 12153915), (36, 10803480), (40, 9723132), (45, 8642784), (48, 8102610), (54, 7202320), (60, 6482088), (72, 5401740), (80, 4861566), (90, 4321392), (96, 4051305), (108, 3601160), (120, 3241044), (135, 2880928), (144, 2700870), (160, 2430783), (180, 2160696), (197, 1974240), (216, 1800580), (240, 1620522), (270, 1440464), (288, 1350435), (360, 1080348), (394, 987120), (432, 900290), (457, 851040), (480, 810261), (540, 720232), (591, 658080), (720, 540174), (788, 493560), (864, 450145), (914, 425520), (985, 394848), (1080, 360116), (1182, 329040), (1371, 283680), (1440, 270087), (1576, 246780), (1773, 219360), (1828, 212760), (1970, 197424), (2160, 180058), (2285, 170208), (2364, 164520), (2742, 141840), (2955, 131616), (3152, 123390), (3546, 109680), (3656, 106380), (3940, 98712), (4113, 94560), (4320, 90029), (4570, 85104), (4728, 82260), (5319, 73120), (5484, 70920), (5910, 65808), (6304, 61695), (6855, 56736), (7092, 54840), (7312, 53190), (7880, 49356), (8226, 47280), (8865, 43872), (9140, 42552), (9456, 41130), (10638, 36560), (10968, 35460), (11820, 32904), (12339, 31520), (13710, 28368), (14184, 27420), (14624, 26595), (15760, 24678), (16452, 23640), (17730, 21936), (18280, 21276), (18912, 20565)]