157768960

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^2\times {\mathrm{233}}^1$

素因数の和:300

約数の個数: 108

約数和(自身を含む): 396746532

約数和(自身を除く): 238977572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 233, 256, 320, 368, 460, 466, 529, 640, 736, 920, 932, 1058, 1165, 1280, 1472, 1840, 1864, 2116, 2330, 2645, 2944, 3680, 3728, 4232, 4660, 5290, 5359, 5888, 7360, 7456, 8464, 9320, 10580, 10718, 14720, 14912, 16928, 18640, 21160, 21436, 26795, 29440, 29824, 33856, 37280, 42320, 42872, 53590, 59648, 67712, 74560, 84640, 85744, 107180, 123257, 135424, 149120, 169280, 171488, 214360, 246514, 298240, 338560, 342976, 428720, 493028, 616285, 677120, 685952, 857440, 986056, 1232570, 1371904, 1714880, 1972112, 2465140, 3429760, 3944224, 4930280, 6859520, 7888448, 9860560, 15776896, 19721120, 31553792, 39442240, 78884480, 157768960]

約数ペア:

[(1, 157768960), (2, 78884480), (4, 39442240), (5, 31553792), (8, 19721120), (10, 15776896), (16, 9860560), (20, 7888448), (23, 6859520), (32, 4930280), (40, 3944224), (46, 3429760), (64, 2465140), (80, 1972112), (92, 1714880), (115, 1371904), (128, 1232570), (160, 986056), (184, 857440), (230, 685952), (233, 677120), (256, 616285), (320, 493028), (368, 428720), (460, 342976), (466, 338560), (529, 298240), (640, 246514), (736, 214360), (920, 171488), (932, 169280), (1058, 149120), (1165, 135424), (1280, 123257), (1472, 107180), (1840, 85744), (1864, 84640), (2116, 74560), (2330, 67712), (2645, 59648), (2944, 53590), (3680, 42872), (3728, 42320), (4232, 37280), (4660, 33856), (5290, 29824), (5359, 29440), (5888, 26795), (7360, 21436), (7456, 21160), (8464, 18640), (9320, 16928), (10580, 14912), (10718, 14720)]