15971840

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:407

約数の個数: 80

約数和(自身を含む): 40658112

約数和(自身を除く): 24686272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 367, 512, 544, 640, 680, 734, 1088, 1280, 1360, 1468, 1835, 2176, 2560, 2720, 2936, 3670, 4352, 5440, 5872, 6239, 7340, 8704, 10880, 11744, 12478, 14680, 21760, 23488, 24956, 29360, 31195, 43520, 46976, 49912, 58720, 62390, 93952, 99824, 117440, 124780, 187904, 199648, 234880, 249560, 399296, 469760, 499120, 798592, 939520, 998240, 1597184, 1996480, 3194368, 3992960, 7985920, 15971840]

約数ペア:

[(1, 15971840), (2, 7985920), (4, 3992960), (5, 3194368), (8, 1996480), (10, 1597184), (16, 998240), (17, 939520), (20, 798592), (32, 499120), (34, 469760), (40, 399296), (64, 249560), (68, 234880), (80, 199648), (85, 187904), (128, 124780), (136, 117440), (160, 99824), (170, 93952), (256, 62390), (272, 58720), (320, 49912), (340, 46976), (367, 43520), (512, 31195), (544, 29360), (640, 24956), (680, 23488), (734, 21760), (1088, 14680), (1280, 12478), (1360, 11744), (1468, 10880), (1835, 8704), (2176, 7340), (2560, 6239), (2720, 5872), (2936, 5440), (3670, 4352)]