128766160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1400

約数の個数: 80

約数和(自身を含む): 321582096

約数和(自身を除く): 192815936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 136, 146, 170, 272, 292, 340, 365, 584, 680, 730, 1168, 1241, 1297, 1360, 1460, 2482, 2594, 2920, 4964, 5188, 5840, 6205, 6485, 9928, 10376, 12410, 12970, 19856, 20752, 22049, 24820, 25940, 44098, 49640, 51880, 88196, 94681, 99280, 103760, 110245, 176392, 189362, 220490, 352784, 378724, 440980, 473405, 757448, 881960, 946810, 1514896, 1609577, 1763920, 1893620, 3219154, 3787240, 6438308, 7574480, 8047885, 12876616, 16095770, 25753232, 32191540, 64383080, 128766160]

約数ペア:

[(1, 128766160), (2, 64383080), (4, 32191540), (5, 25753232), (8, 16095770), (10, 12876616), (16, 8047885), (17, 7574480), (20, 6438308), (34, 3787240), (40, 3219154), (68, 1893620), (73, 1763920), (80, 1609577), (85, 1514896), (136, 946810), (146, 881960), (170, 757448), (272, 473405), (292, 440980), (340, 378724), (365, 352784), (584, 220490), (680, 189362), (730, 176392), (1168, 110245), (1241, 103760), (1297, 99280), (1360, 94681), (1460, 88196), (2482, 51880), (2594, 49640), (2920, 44098), (4964, 25940), (5188, 24820), (5840, 22049), (6205, 20752), (6485, 19856), (9928, 12970), (10376, 12410)]