145571680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:632

約数の個数: 96

約数和(自身を含む): 368232480

約数和(自身を除く): 222660800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 109, 136, 160, 170, 218, 272, 340, 436, 491, 544, 545, 680, 872, 982, 1090, 1360, 1744, 1853, 1964, 2180, 2455, 2720, 3488, 3706, 3928, 4360, 4910, 7412, 7856, 8347, 8720, 9265, 9820, 14824, 15712, 16694, 17440, 18530, 19640, 29648, 33388, 37060, 39280, 41735, 53519, 59296, 66776, 74120, 78560, 83470, 107038, 133552, 148240, 166940, 214076, 267104, 267595, 296480, 333880, 428152, 535190, 667760, 856304, 909823, 1070380, 1335520, 1712608, 1819646, 2140760, 3639292, 4281520, 4549115, 7278584, 8563040, 9098230, 14557168, 18196460, 29114336, 36392920, 72785840, 145571680]

約数ペア:

[(1, 145571680), (2, 72785840), (4, 36392920), (5, 29114336), (8, 18196460), (10, 14557168), (16, 9098230), (17, 8563040), (20, 7278584), (32, 4549115), (34, 4281520), (40, 3639292), (68, 2140760), (80, 1819646), (85, 1712608), (109, 1335520), (136, 1070380), (160, 909823), (170, 856304), (218, 667760), (272, 535190), (340, 428152), (436, 333880), (491, 296480), (544, 267595), (545, 267104), (680, 214076), (872, 166940), (982, 148240), (1090, 133552), (1360, 107038), (1744, 83470), (1853, 78560), (1964, 74120), (2180, 66776), (2455, 59296), (2720, 53519), (3488, 41735), (3706, 39280), (3928, 37060), (4360, 33388), (4910, 29648), (7412, 19640), (7856, 18530), (8347, 17440), (8720, 16694), (9265, 15712), (9820, 14824)]