89327680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:336

約数の個数: 112

約数和(自身を含む): 232349040

約数和(自身を除く): 143021360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 130, 160, 197, 208, 218, 260, 320, 394, 416, 436, 520, 545, 788, 832, 872, 985, 1040, 1090, 1417, 1576, 1744, 1970, 2080, 2180, 2561, 2834, 3152, 3488, 3940, 4160, 4360, 5122, 5668, 6304, 6976, 7085, 7880, 8720, 10244, 11336, 12608, 12805, 14170, 15760, 17440, 20488, 21473, 22672, 25610, 28340, 31520, 34880, 40976, 42946, 45344, 51220, 56680, 63040, 81952, 85892, 90688, 102440, 107365, 113360, 163904, 171784, 204880, 214730, 226720, 279149, 343568, 409760, 429460, 453440, 558298, 687136, 819520, 858920, 1116596, 1374272, 1395745, 1717840, 2233192, 2791490, 3435680, 4466384, 5582980, 6871360, 8932768, 11165960, 17865536, 22331920, 44663840, 89327680]

約数ペア:

[(1, 89327680), (2, 44663840), (4, 22331920), (5, 17865536), (8, 11165960), (10, 8932768), (13, 6871360), (16, 5582980), (20, 4466384), (26, 3435680), (32, 2791490), (40, 2233192), (52, 1717840), (64, 1395745), (65, 1374272), (80, 1116596), (104, 858920), (109, 819520), (130, 687136), (160, 558298), (197, 453440), (208, 429460), (218, 409760), (260, 343568), (320, 279149), (394, 226720), (416, 214730), (436, 204880), (520, 171784), (545, 163904), (788, 113360), (832, 107365), (872, 102440), (985, 90688), (1040, 85892), (1090, 81952), (1417, 63040), (1576, 56680), (1744, 51220), (1970, 45344), (2080, 42946), (2180, 40976), (2561, 34880), (2834, 31520), (3152, 28340), (3488, 25610), (3940, 22672), (4160, 21473), (4360, 20488), (5122, 17440), (5668, 15760), (6304, 14170), (6976, 12805), (7085, 12608), (7880, 11336), (8720, 10244)]