178773920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1409}}^1$

素因数の和:1498

約数の個数: 96

約数和(自身を含む): 462626640

約数和(自身を除く): 283852720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 416, 488, 520, 610, 793, 976, 1040, 1220, 1409, 1586, 1952, 2080, 2440, 2818, 3172, 3965, 4880, 5636, 6344, 7045, 7930, 9760, 11272, 12688, 14090, 15860, 18317, 22544, 25376, 28180, 31720, 36634, 45088, 56360, 63440, 73268, 85949, 91585, 112720, 126880, 146536, 171898, 183170, 225440, 293072, 343796, 366340, 429745, 586144, 687592, 732680, 859490, 1117337, 1375184, 1465360, 1718980, 2234674, 2750368, 2930720, 3437960, 4469348, 5586685, 6875920, 8938696, 11173370, 13751840, 17877392, 22346740, 35754784, 44693480, 89386960, 178773920]

約数ペア:

[(1, 178773920), (2, 89386960), (4, 44693480), (5, 35754784), (8, 22346740), (10, 17877392), (13, 13751840), (16, 11173370), (20, 8938696), (26, 6875920), (32, 5586685), (40, 4469348), (52, 3437960), (61, 2930720), (65, 2750368), (80, 2234674), (104, 1718980), (122, 1465360), (130, 1375184), (160, 1117337), (208, 859490), (244, 732680), (260, 687592), (305, 586144), (416, 429745), (488, 366340), (520, 343796), (610, 293072), (793, 225440), (976, 183170), (1040, 171898), (1220, 146536), (1409, 126880), (1586, 112720), (1952, 91585), (2080, 85949), (2440, 73268), (2818, 63440), (3172, 56360), (3965, 45088), (4880, 36634), (5636, 31720), (6344, 28180), (7045, 25376), (7930, 22544), (9760, 18317), (11272, 15860), (12688, 14090)]