128313280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:366

約数の個数: 112

約数和(自身を含む): 328086720

約数和(自身を除く): 199773440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 103, 136, 160, 170, 206, 229, 272, 320, 340, 412, 458, 515, 544, 680, 824, 916, 1030, 1088, 1145, 1360, 1648, 1751, 1832, 2060, 2290, 2720, 3296, 3502, 3664, 3893, 4120, 4580, 5440, 6592, 7004, 7328, 7786, 8240, 8755, 9160, 14008, 14656, 15572, 16480, 17510, 18320, 19465, 23587, 28016, 31144, 32960, 35020, 36640, 38930, 47174, 56032, 62288, 70040, 73280, 77860, 94348, 112064, 117935, 124576, 140080, 155720, 188696, 235870, 249152, 280160, 311440, 377392, 400979, 471740, 560320, 622880, 754784, 801958, 943480, 1245760, 1509568, 1603916, 1886960, 2004895, 3207832, 3773920, 4009790, 6415664, 7547840, 8019580, 12831328, 16039160, 25662656, 32078320, 64156640, 128313280]

約数ペア:

[(1, 128313280), (2, 64156640), (4, 32078320), (5, 25662656), (8, 16039160), (10, 12831328), (16, 8019580), (17, 7547840), (20, 6415664), (32, 4009790), (34, 3773920), (40, 3207832), (64, 2004895), (68, 1886960), (80, 1603916), (85, 1509568), (103, 1245760), (136, 943480), (160, 801958), (170, 754784), (206, 622880), (229, 560320), (272, 471740), (320, 400979), (340, 377392), (412, 311440), (458, 280160), (515, 249152), (544, 235870), (680, 188696), (824, 155720), (916, 140080), (1030, 124576), (1088, 117935), (1145, 112064), (1360, 94348), (1648, 77860), (1751, 73280), (1832, 70040), (2060, 62288), (2290, 56032), (2720, 47174), (3296, 38930), (3502, 36640), (3664, 35020), (3893, 32960), (4120, 31144), (4580, 28016), (5440, 23587), (6592, 19465), (7004, 18320), (7328, 17510), (7786, 16480), (8240, 15572), (8755, 14656), (9160, 14008)]