81913511040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42663287}}^1$

素因数の和:42663309

約数の個数: 64

約数和(自身を含む): 261099322560

約数和(自身を除く): 179185811520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42663287, 85326574, 127989861, 170653148, 213316435, 255979722, 341306296, 426632870, 511959444, 639949305, 682612592, 853265740, 1023918888, 1279898610, 1365225184, 1706531480, 2047837776, 2559797220, 2730450368, 3413062960, 4095675552, 5119594440, 5460900736, 6826125920, 8191351104, 10239188880, 13652251840, 16382702208, 20478377760, 27304503680, 40956755520, 81913511040]

約数ペア:

[(1, 81913511040), (2, 40956755520), (3, 27304503680), (4, 20478377760), (5, 16382702208), (6, 13652251840), (8, 10239188880), (10, 8191351104), (12, 6826125920), (15, 5460900736), (16, 5119594440), (20, 4095675552), (24, 3413062960), (30, 2730450368), (32, 2559797220), (40, 2047837776), (48, 1706531480), (60, 1365225184), (64, 1279898610), (80, 1023918888), (96, 853265740), (120, 682612592), (128, 639949305), (160, 511959444), (192, 426632870), (240, 341306296), (320, 255979722), (384, 213316435), (480, 170653148), (640, 127989861), (960, 85326574), (1920, 42663287)]