389898720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{270763}}^1$

素因数の和:270784

約数の個数: 72

約数和(自身を含む): 1330534296

約数和(自身を除く): 940635576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 270763, 541526, 812289, 1083052, 1353815, 1624578, 2166104, 2436867, 2707630, 3249156, 4061445, 4332208, 4873734, 5415260, 6498312, 8122890, 8664416, 9747468, 10830520, 12184335, 12996624, 16245780, 19494936, 21661040, 24368670, 25993248, 32491560, 38989872, 43322080, 48737340, 64983120, 77979744, 97474680, 129966240, 194949360, 389898720]

約数ペア:

[(1, 389898720), (2, 194949360), (3, 129966240), (4, 97474680), (5, 77979744), (6, 64983120), (8, 48737340), (9, 43322080), (10, 38989872), (12, 32491560), (15, 25993248), (16, 24368670), (18, 21661040), (20, 19494936), (24, 16245780), (30, 12996624), (32, 12184335), (36, 10830520), (40, 9747468), (45, 8664416), (48, 8122890), (60, 6498312), (72, 5415260), (80, 4873734), (90, 4332208), (96, 4061445), (120, 3249156), (144, 2707630), (160, 2436867), (180, 2166104), (240, 1624578), (288, 1353815), (360, 1083052), (480, 812289), (720, 541526), (1440, 270763)]