254113280

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5839}}^1$

素因数の和:5879

約数の個数: 80

約数和(自身を含む): 645226560

約数和(自身を除く): 391113280

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, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5440, 5839, 8704, 10880, 11678, 21760, 23356, 29195, 43520, 46712, 58390, 93424, 99263, 116780, 186848, 198526, 233560, 373696, 397052, 467120, 496315, 747392, 794104, 934240, 992630, 1494784, 1588208, 1868480, 1985260, 2989568, 3176416, 3736960, 3970520, 6352832, 7473920, 7941040, 12705664, 14947840, 15882080, 25411328, 31764160, 50822656, 63528320, 127056640, 254113280]

約数ペア:

[(1, 254113280), (2, 127056640), (4, 63528320), (5, 50822656), (8, 31764160), (10, 25411328), (16, 15882080), (17, 14947840), (20, 12705664), (32, 7941040), (34, 7473920), (40, 6352832), (64, 3970520), (68, 3736960), (80, 3176416), (85, 2989568), (128, 1985260), (136, 1868480), (160, 1588208), (170, 1494784), (256, 992630), (272, 934240), (320, 794104), (340, 747392), (512, 496315), (544, 467120), (640, 397052), (680, 373696), (1088, 233560), (1280, 198526), (1360, 186848), (2176, 116780), (2560, 99263), (2720, 93424), (4352, 58390), (5440, 46712), (5839, 43520), (8704, 29195), (10880, 23356), (11678, 21760)]