159718400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:414

約数の個数: 132

約数和(自身を含む): 420339168

約数和(自身を除く): 260620768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 367, 400, 425, 512, 544, 640, 680, 734, 800, 850, 1024, 1088, 1280, 1360, 1468, 1600, 1700, 1835, 2176, 2560, 2720, 2936, 3200, 3400, 3670, 4352, 5120, 5440, 5872, 6239, 6400, 6800, 7340, 8704, 9175, 10880, 11744, 12478, 12800, 13600, 14680, 17408, 18350, 21760, 23488, 24956, 25600, 27200, 29360, 31195, 36700, 43520, 46976, 49912, 54400, 58720, 62390, 73400, 87040, 93952, 99824, 108800, 117440, 124780, 146800, 155975, 187904, 199648, 217600, 234880, 249560, 293600, 311950, 375808, 399296, 435200, 469760, 499120, 587200, 623900, 798592, 939520, 998240, 1174400, 1247800, 1597184, 1879040, 1996480, 2348800, 2495600, 3194368, 3992960, 4697600, 4991200, 6388736, 7985920, 9395200, 9982400, 15971840, 19964800, 31943680, 39929600, 79859200, 159718400]

約数ペア:

[(1, 159718400), (2, 79859200), (4, 39929600), (5, 31943680), (8, 19964800), (10, 15971840), (16, 9982400), (17, 9395200), (20, 7985920), (25, 6388736), (32, 4991200), (34, 4697600), (40, 3992960), (50, 3194368), (64, 2495600), (68, 2348800), (80, 1996480), (85, 1879040), (100, 1597184), (128, 1247800), (136, 1174400), (160, 998240), (170, 939520), (200, 798592), (256, 623900), (272, 587200), (320, 499120), (340, 469760), (367, 435200), (400, 399296), (425, 375808), (512, 311950), (544, 293600), (640, 249560), (680, 234880), (734, 217600), (800, 199648), (850, 187904), (1024, 155975), (1088, 146800), (1280, 124780), (1360, 117440), (1468, 108800), (1600, 99824), (1700, 93952), (1835, 87040), (2176, 73400), (2560, 62390), (2720, 58720), (2936, 54400), (3200, 49912), (3400, 46976), (3670, 43520), (4352, 36700), (5120, 31195), (5440, 29360), (5872, 27200), (6239, 25600), (6400, 24956), (6800, 23488), (7340, 21760), (8704, 18350), (9175, 17408), (10880, 14680), (11744, 13600), (12478, 12800)]