55104840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 216691200

約数和(自身を除く): 161586360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 37, 40, 42, 45, 54, 56, 60, 63, 70, 72, 74, 84, 90, 105, 108, 111, 120, 126, 135, 140, 148, 168, 180, 185, 189, 197, 210, 216, 222, 252, 259, 270, 280, 296, 315, 333, 360, 370, 378, 394, 420, 444, 504, 518, 540, 555, 591, 630, 666, 740, 756, 777, 788, 840, 888, 945, 985, 999, 1036, 1080, 1110, 1182, 1260, 1295, 1332, 1379, 1480, 1512, 1554, 1576, 1665, 1773, 1890, 1970, 1998, 2072, 2220, 2331, 2364, 2520, 2590, 2664, 2758, 2955, 3108, 3330, 3546, 3780, 3885, 3940, 3996, 4137, 4440, 4662, 4728, 4995, 5180, 5319, 5516, 5910, 6216, 6660, 6895, 6993, 7092, 7289, 7560, 7770, 7880, 7992, 8274, 8865, 9324, 9990, 10360, 10638, 11032, 11655, 11820, 12411, 13320, 13790, 13986, 14184, 14578, 15540, 16548, 17730, 18648, 19980, 20685, 21276, 21867, 23310, 23640, 24822, 26595, 27580, 27972, 29156, 31080, 33096, 34965, 35460, 36445, 37233, 39960, 41370, 42552, 43734, 46620, 49644, 51023, 53190, 55160, 55944, 58312, 62055, 65601, 69930, 70920, 72890, 74466, 82740, 87468, 93240, 99288, 102046, 106380, 109335, 124110, 131202, 139860, 145780, 148932, 153069, 165480, 174936, 186165, 196803, 204092, 212760, 218670, 248220, 255115, 262404, 279720, 291560, 297864, 306138, 328005, 372330, 393606, 408184, 437340, 459207, 496440, 510230, 524808, 612276, 656010, 744660, 765345, 787212, 874680, 918414, 984015, 1020460, 1224552, 1312020, 1377621, 1489320, 1530690, 1574424, 1836828, 1968030, 2040920, 2296035, 2624040, 2755242, 3061380, 3673656, 3936060, 4592070, 5510484, 6122760, 6888105, 7872120, 9184140, 11020968, 13776210, 18368280, 27552420, 55104840]

約数ペア:

[(1, 55104840), (2, 27552420), (3, 18368280), (4, 13776210), (5, 11020968), (6, 9184140), (7, 7872120), (8, 6888105), (9, 6122760), (10, 5510484), (12, 4592070), (14, 3936060), (15, 3673656), (18, 3061380), (20, 2755242), (21, 2624040), (24, 2296035), (27, 2040920), (28, 1968030), (30, 1836828), (35, 1574424), (36, 1530690), (37, 1489320), (40, 1377621), (42, 1312020), (45, 1224552), (54, 1020460), (56, 984015), (60, 918414), (63, 874680), (70, 787212), (72, 765345), (74, 744660), (84, 656010), (90, 612276), (105, 524808), (108, 510230), (111, 496440), (120, 459207), (126, 437340), (135, 408184), (140, 393606), (148, 372330), (168, 328005), (180, 306138), (185, 297864), (189, 291560), (197, 279720), (210, 262404), (216, 255115), (222, 248220), (252, 218670), (259, 212760), (270, 204092), (280, 196803), (296, 186165), (315, 174936), (333, 165480), (360, 153069), (370, 148932), (378, 145780), (394, 139860), (420, 131202), (444, 124110), (504, 109335), (518, 106380), (540, 102046), (555, 99288), (591, 93240), (630, 87468), (666, 82740), (740, 74466), (756, 72890), (777, 70920), (788, 69930), (840, 65601), (888, 62055), (945, 58312), (985, 55944), (999, 55160), (1036, 53190), (1080, 51023), (1110, 49644), (1182, 46620), (1260, 43734), (1295, 42552), (1332, 41370), (1379, 39960), (1480, 37233), (1512, 36445), (1554, 35460), (1576, 34965), (1665, 33096), (1773, 31080), (1890, 29156), (1970, 27972), (1998, 27580), (2072, 26595), (2220, 24822), (2331, 23640), (2364, 23310), (2520, 21867), (2590, 21276), (2664, 20685), (2758, 19980), (2955, 18648), (3108, 17730), (3330, 16548), (3546, 15540), (3780, 14578), (3885, 14184), (3940, 13986), (3996, 13790), (4137, 13320), (4440, 12411), (4662, 11820), (4728, 11655), (4995, 11032), (5180, 10638), (5319, 10360), (5516, 9990), (5910, 9324), (6216, 8865), (6660, 8274), (6895, 7992), (6993, 7880), (7092, 7770), (7289, 7560)]