163161920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:460

約数の個数: 112

約数和(自身を含む): 417240720

約数和(自身を除く): 254078800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 89, 136, 160, 170, 178, 272, 320, 337, 340, 356, 445, 544, 674, 680, 712, 890, 1088, 1348, 1360, 1424, 1513, 1685, 1780, 2696, 2720, 2848, 3026, 3370, 3560, 5392, 5440, 5696, 5729, 6052, 6740, 7120, 7565, 10784, 11458, 12104, 13480, 14240, 15130, 21568, 22916, 24208, 26960, 28480, 28645, 29993, 30260, 45832, 48416, 53920, 57290, 59986, 60520, 91664, 96832, 107840, 114580, 119972, 121040, 149965, 183328, 229160, 239944, 242080, 299930, 366656, 458320, 479888, 484160, 509881, 599860, 916640, 959776, 1019762, 1199720, 1833280, 1919552, 2039524, 2399440, 2549405, 4079048, 4798880, 5098810, 8158096, 9597760, 10197620, 16316192, 20395240, 32632384, 40790480, 81580960, 163161920]

約数ペア:

[(1, 163161920), (2, 81580960), (4, 40790480), (5, 32632384), (8, 20395240), (10, 16316192), (16, 10197620), (17, 9597760), (20, 8158096), (32, 5098810), (34, 4798880), (40, 4079048), (64, 2549405), (68, 2399440), (80, 2039524), (85, 1919552), (89, 1833280), (136, 1199720), (160, 1019762), (170, 959776), (178, 916640), (272, 599860), (320, 509881), (337, 484160), (340, 479888), (356, 458320), (445, 366656), (544, 299930), (674, 242080), (680, 239944), (712, 229160), (890, 183328), (1088, 149965), (1348, 121040), (1360, 119972), (1424, 114580), (1513, 107840), (1685, 96832), (1780, 91664), (2696, 60520), (2720, 59986), (2848, 57290), (3026, 53920), (3370, 48416), (3560, 45832), (5392, 30260), (5440, 29993), (5696, 28645), (5729, 28480), (6052, 26960), (6740, 24208), (7120, 22916), (7565, 21568), (10784, 15130), (11458, 14240), (12104, 13480)]