31488480

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 113762880

約数和(自身を除く): 82274400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 197, 216, 222, 240, 270, 288, 296, 333, 360, 370, 394, 432, 444, 480, 540, 555, 591, 592, 666, 720, 740, 788, 864, 888, 985, 999, 1080, 1110, 1182, 1184, 1332, 1440, 1480, 1576, 1665, 1773, 1776, 1970, 1998, 2160, 2220, 2364, 2664, 2955, 2960, 3152, 3330, 3546, 3552, 3940, 3996, 4320, 4440, 4728, 4995, 5319, 5328, 5910, 5920, 6304, 6660, 7092, 7289, 7880, 7992, 8865, 8880, 9456, 9990, 10638, 10656, 11820, 13320, 14184, 14578, 15760, 15984, 17730, 17760, 18912, 19980, 21276, 21867, 23640, 26595, 26640, 28368, 29156, 31520, 31968, 35460, 36445, 39960, 42552, 43734, 47280, 53190, 53280, 56736, 58312, 65601, 70920, 72890, 79920, 85104, 87468, 94560, 106380, 109335, 116624, 131202, 141840, 145780, 159840, 170208, 174936, 196803, 212760, 218670, 233248, 262404, 283680, 291560, 328005, 349872, 393606, 425520, 437340, 524808, 583120, 656010, 699744, 787212, 851040, 874680, 984015, 1049616, 1166240, 1312020, 1574424, 1749360, 1968030, 2099232, 2624040, 3148848, 3498720, 3936060, 5248080, 6297696, 7872120, 10496160, 15744240, 31488480]

約数ペア:

[(1, 31488480), (2, 15744240), (3, 10496160), (4, 7872120), (5, 6297696), (6, 5248080), (8, 3936060), (9, 3498720), (10, 3148848), (12, 2624040), (15, 2099232), (16, 1968030), (18, 1749360), (20, 1574424), (24, 1312020), (27, 1166240), (30, 1049616), (32, 984015), (36, 874680), (37, 851040), (40, 787212), (45, 699744), (48, 656010), (54, 583120), (60, 524808), (72, 437340), (74, 425520), (80, 393606), (90, 349872), (96, 328005), (108, 291560), (111, 283680), (120, 262404), (135, 233248), (144, 218670), (148, 212760), (160, 196803), (180, 174936), (185, 170208), (197, 159840), (216, 145780), (222, 141840), (240, 131202), (270, 116624), (288, 109335), (296, 106380), (333, 94560), (360, 87468), (370, 85104), (394, 79920), (432, 72890), (444, 70920), (480, 65601), (540, 58312), (555, 56736), (591, 53280), (592, 53190), (666, 47280), (720, 43734), (740, 42552), (788, 39960), (864, 36445), (888, 35460), (985, 31968), (999, 31520), (1080, 29156), (1110, 28368), (1182, 26640), (1184, 26595), (1332, 23640), (1440, 21867), (1480, 21276), (1576, 19980), (1665, 18912), (1773, 17760), (1776, 17730), (1970, 15984), (1998, 15760), (2160, 14578), (2220, 14184), (2364, 13320), (2664, 11820), (2955, 10656), (2960, 10638), (3152, 9990), (3330, 9456), (3546, 8880), (3552, 8865), (3940, 7992), (3996, 7880), (4320, 7289), (4440, 7092), (4728, 6660), (4995, 6304), (5319, 5920), (5328, 5910)]