81598560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1380

約数の個数: 96

約数和(自身を含む): 259096320

約数和(自身を除く): 177497760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 240, 278, 417, 480, 556, 695, 834, 1112, 1223, 1390, 1668, 2085, 2224, 2446, 2780, 3336, 3669, 4170, 4448, 4892, 5560, 6115, 6672, 7338, 8340, 9784, 11120, 12230, 13344, 14676, 16680, 18345, 19568, 22240, 24460, 29352, 33360, 36690, 39136, 48920, 58704, 66720, 73380, 97840, 117408, 146760, 169997, 195680, 293520, 339994, 509991, 587040, 679988, 849985, 1019982, 1359976, 1699970, 2039964, 2549955, 2719952, 3399940, 4079928, 5099910, 5439904, 6799880, 8159856, 10199820, 13599760, 16319712, 20399640, 27199520, 40799280, 81598560]

約数ペア:

[(1, 81598560), (2, 40799280), (3, 27199520), (4, 20399640), (5, 16319712), (6, 13599760), (8, 10199820), (10, 8159856), (12, 6799880), (15, 5439904), (16, 5099910), (20, 4079928), (24, 3399940), (30, 2719952), (32, 2549955), (40, 2039964), (48, 1699970), (60, 1359976), (80, 1019982), (96, 849985), (120, 679988), (139, 587040), (160, 509991), (240, 339994), (278, 293520), (417, 195680), (480, 169997), (556, 146760), (695, 117408), (834, 97840), (1112, 73380), (1223, 66720), (1390, 58704), (1668, 48920), (2085, 39136), (2224, 36690), (2446, 33360), (2780, 29352), (3336, 24460), (3669, 22240), (4170, 19568), (4448, 18345), (4892, 16680), (5560, 14676), (6115, 13344), (6672, 12230), (7338, 11120), (8340, 9784)]