389544480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20809}}^1$

素因数の和:20843

約数の個数: 144

約数和(自身を含む): 1431644760

約数和(自身を除く): 1042100280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 20809, 41618, 62427, 83236, 104045, 124854, 166472, 187281, 208090, 249708, 270517, 312135, 332944, 374562, 416180, 499416, 541034, 624270, 665888, 749124, 811551, 832360, 936405, 998832, 1082068, 1248540, 1352585, 1498248, 1623102, 1664720, 1872810, 1997664, 2164136, 2434653, 2497080, 2705170, 2996496, 3246204, 3329440, 3745620, 4057755, 4328272, 4869306, 4994160, 5410340, 5992992, 6492408, 7491240, 8115510, 8656544, 9738612, 9988320, 10820680, 12173265, 12984816, 14982480, 16231020, 19477224, 21641360, 24346530, 25969632, 29964960, 32462040, 38954448, 43282720, 48693060, 64924080, 77908896, 97386120, 129848160, 194772240, 389544480]

約数ペア:

[(1, 389544480), (2, 194772240), (3, 129848160), (4, 97386120), (5, 77908896), (6, 64924080), (8, 48693060), (9, 43282720), (10, 38954448), (12, 32462040), (13, 29964960), (15, 25969632), (16, 24346530), (18, 21641360), (20, 19477224), (24, 16231020), (26, 14982480), (30, 12984816), (32, 12173265), (36, 10820680), (39, 9988320), (40, 9738612), (45, 8656544), (48, 8115510), (52, 7491240), (60, 6492408), (65, 5992992), (72, 5410340), (78, 4994160), (80, 4869306), (90, 4328272), (96, 4057755), (104, 3745620), (117, 3329440), (120, 3246204), (130, 2996496), (144, 2705170), (156, 2497080), (160, 2434653), (180, 2164136), (195, 1997664), (208, 1872810), (234, 1664720), (240, 1623102), (260, 1498248), (288, 1352585), (312, 1248540), (360, 1082068), (390, 998832), (416, 936405), (468, 832360), (480, 811551), (520, 749124), (585, 665888), (624, 624270), (720, 541034), (780, 499416), (936, 416180), (1040, 374562), (1170, 332944), (1248, 312135), (1440, 270517), (1560, 249708), (1872, 208090), (2080, 187281), (2340, 166472), (3120, 124854), (3744, 104045), (4680, 83236), (6240, 62427), (9360, 41618), (18720, 20809)]