180721008

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5081}}^1$

素因数の和:5127

約数の個数: 120

約数和(自身を含む): 573452880

約数和(自身を除く): 392731872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 624, 684, 741, 912, 936, 988, 1368, 1482, 1872, 1976, 2223, 2736, 2964, 3952, 4446, 5081, 5928, 8892, 10162, 11856, 15243, 17784, 20324, 30486, 35568, 40648, 45729, 60972, 66053, 81296, 91458, 96539, 121944, 132106, 182916, 193078, 198159, 243888, 264212, 289617, 365832, 386156, 396318, 528424, 579234, 594477, 731664, 772312, 792636, 868851, 1056848, 1158468, 1188954, 1255007, 1544624, 1585272, 1737702, 2316936, 2377908, 2510014, 3170544, 3475404, 3765021, 4633872, 4755816, 5020028, 6950808, 7530042, 9511632, 10040056, 11295063, 13901616, 15060084, 20080112, 22590126, 30120168, 45180252, 60240336, 90360504, 180721008]

約数ペア:

[(1, 180721008), (2, 90360504), (3, 60240336), (4, 45180252), (6, 30120168), (8, 22590126), (9, 20080112), (12, 15060084), (13, 13901616), (16, 11295063), (18, 10040056), (19, 9511632), (24, 7530042), (26, 6950808), (36, 5020028), (38, 4755816), (39, 4633872), (48, 3765021), (52, 3475404), (57, 3170544), (72, 2510014), (76, 2377908), (78, 2316936), (104, 1737702), (114, 1585272), (117, 1544624), (144, 1255007), (152, 1188954), (156, 1158468), (171, 1056848), (208, 868851), (228, 792636), (234, 772312), (247, 731664), (304, 594477), (312, 579234), (342, 528424), (456, 396318), (468, 386156), (494, 365832), (624, 289617), (684, 264212), (741, 243888), (912, 198159), (936, 193078), (988, 182916), (1368, 132106), (1482, 121944), (1872, 96539), (1976, 91458), (2223, 81296), (2736, 66053), (2964, 60972), (3952, 45729), (4446, 40648), (5081, 35568), (5928, 30486), (8892, 20324), (10162, 17784), (11856, 15243)]