15744240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 160

約数和(自身を含む): 55978560

約数和(自身を除く): 40234320

約数列:

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

約数ペア:

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