68488680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1091

約数の個数: 128

約数和(自身を含む): 226638720

約数和(自身を除く): 158150040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1021, 1032, 1118, 1290, 1560, 1677, 1720, 2042, 2236, 2580, 2795, 3063, 3354, 4084, 4472, 5105, 5160, 5590, 6126, 6708, 8168, 8385, 10210, 11180, 12252, 13273, 13416, 15315, 16770, 20420, 22360, 24504, 26546, 30630, 33540, 39819, 40840, 43903, 53092, 61260, 66365, 67080, 79638, 87806, 106184, 122520, 131709, 132730, 159276, 175612, 199095, 219515, 263418, 265460, 318552, 351224, 398190, 439030, 526836, 530920, 570739, 658545, 796380, 878060, 1053672, 1141478, 1317090, 1592760, 1712217, 1756120, 2282956, 2634180, 2853695, 3424434, 4565912, 5268360, 5707390, 6848868, 8561085, 11414780, 13697736, 17122170, 22829560, 34244340, 68488680]

約数ペア:

[(1, 68488680), (2, 34244340), (3, 22829560), (4, 17122170), (5, 13697736), (6, 11414780), (8, 8561085), (10, 6848868), (12, 5707390), (13, 5268360), (15, 4565912), (20, 3424434), (24, 2853695), (26, 2634180), (30, 2282956), (39, 1756120), (40, 1712217), (43, 1592760), (52, 1317090), (60, 1141478), (65, 1053672), (78, 878060), (86, 796380), (104, 658545), (120, 570739), (129, 530920), (130, 526836), (156, 439030), (172, 398190), (195, 351224), (215, 318552), (258, 265460), (260, 263418), (312, 219515), (344, 199095), (390, 175612), (430, 159276), (516, 132730), (520, 131709), (559, 122520), (645, 106184), (780, 87806), (860, 79638), (1021, 67080), (1032, 66365), (1118, 61260), (1290, 53092), (1560, 43903), (1677, 40840), (1720, 39819), (2042, 33540), (2236, 30630), (2580, 26546), (2795, 24504), (3063, 22360), (3354, 20420), (4084, 16770), (4472, 15315), (5105, 13416), (5160, 13273), (5590, 12252), (6126, 11180), (6708, 10210), (8168, 8385)]