1947407360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1223}}^1$

素因数の和:1559

約数の個数: 88

約数和(自身を含む): 4690348416

約数和(自身を除く): 2742941056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 311, 320, 512, 622, 640, 1024, 1223, 1244, 1280, 1555, 2446, 2488, 2560, 3110, 4892, 4976, 5120, 6115, 6220, 9784, 9952, 12230, 12440, 19568, 19904, 24460, 24880, 39136, 39808, 48920, 49760, 78272, 79616, 97840, 99520, 156544, 159232, 195680, 199040, 313088, 318464, 380353, 391360, 398080, 626176, 760706, 782720, 796160, 1252352, 1521412, 1565440, 1592320, 1901765, 3042824, 3130880, 3803530, 6085648, 6261760, 7607060, 12171296, 15214120, 24342592, 30428240, 48685184, 60856480, 97370368, 121712960, 194740736, 243425920, 389481472, 486851840, 973703680, 1947407360]

約数ペア:

[(1, 1947407360), (2, 973703680), (4, 486851840), (5, 389481472), (8, 243425920), (10, 194740736), (16, 121712960), (20, 97370368), (32, 60856480), (40, 48685184), (64, 30428240), (80, 24342592), (128, 15214120), (160, 12171296), (256, 7607060), (311, 6261760), (320, 6085648), (512, 3803530), (622, 3130880), (640, 3042824), (1024, 1901765), (1223, 1592320), (1244, 1565440), (1280, 1521412), (1555, 1252352), (2446, 796160), (2488, 782720), (2560, 760706), (3110, 626176), (4892, 398080), (4976, 391360), (5120, 380353), (6115, 318464), (6220, 313088), (9784, 199040), (9952, 195680), (12230, 159232), (12440, 156544), (19568, 99520), (19904, 97840), (24460, 79616), (24880, 78272), (39136, 49760), (39808, 48920)]