178450480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 458287632

約数和(自身を除く): 279837152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 169, 197, 208, 260, 268, 335, 338, 394, 520, 536, 670, 676, 788, 845, 871, 985, 1040, 1072, 1340, 1352, 1576, 1690, 1742, 1970, 2561, 2680, 2704, 3152, 3380, 3484, 3940, 4355, 5122, 5360, 6760, 6968, 7880, 8710, 10244, 11323, 12805, 13199, 13520, 13936, 15760, 17420, 20488, 22646, 25610, 26398, 33293, 34840, 40976, 45292, 51220, 52796, 56615, 65995, 66586, 69680, 90584, 102440, 105592, 113230, 131990, 133172, 166465, 171587, 181168, 204880, 211184, 226460, 263980, 266344, 332930, 343174, 452920, 527960, 532688, 665860, 686348, 857935, 905840, 1055920, 1331720, 1372696, 1715870, 2230631, 2663440, 2745392, 3431740, 4461262, 6863480, 8922524, 11153155, 13726960, 17845048, 22306310, 35690096, 44612620, 89225240, 178450480]

約数ペア:

[(1, 178450480), (2, 89225240), (4, 44612620), (5, 35690096), (8, 22306310), (10, 17845048), (13, 13726960), (16, 11153155), (20, 8922524), (26, 6863480), (40, 4461262), (52, 3431740), (65, 2745392), (67, 2663440), (80, 2230631), (104, 1715870), (130, 1372696), (134, 1331720), (169, 1055920), (197, 905840), (208, 857935), (260, 686348), (268, 665860), (335, 532688), (338, 527960), (394, 452920), (520, 343174), (536, 332930), (670, 266344), (676, 263980), (788, 226460), (845, 211184), (871, 204880), (985, 181168), (1040, 171587), (1072, 166465), (1340, 133172), (1352, 131990), (1576, 113230), (1690, 105592), (1742, 102440), (1970, 90584), (2561, 69680), (2680, 66586), (2704, 65995), (3152, 56615), (3380, 52796), (3484, 51220), (3940, 45292), (4355, 40976), (5122, 34840), (5360, 33293), (6760, 26398), (6968, 25610), (7880, 22646), (8710, 20488), (10244, 17420), (11323, 15760), (12805, 13936), (13199, 13520)]