248958720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{21611}}^1$

素因数の和:21638

約数の個数: 108

約数和(自身を含む): 861411096

約数和(自身を除く): 612452376

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 21611, 43222, 64833, 86444, 108055, 129666, 172888, 194499, 216110, 259332, 324165, 345776, 388998, 432220, 518664, 648330, 691552, 777996, 864440, 972495, 1037328, 1296660, 1383104, 1555992, 1728880, 1944990, 2074656, 2593320, 2766208, 3111984, 3457760, 3889980, 4149312, 5186640, 5532416, 6223968, 6915520, 7779960, 8298624, 10373280, 12447936, 13831040, 15559920, 16597248, 20746560, 24895872, 27662080, 31119840, 41493120, 49791744, 62239680, 82986240, 124479360, 248958720]

約数ペア:

[(1, 248958720), (2, 124479360), (3, 82986240), (4, 62239680), (5, 49791744), (6, 41493120), (8, 31119840), (9, 27662080), (10, 24895872), (12, 20746560), (15, 16597248), (16, 15559920), (18, 13831040), (20, 12447936), (24, 10373280), (30, 8298624), (32, 7779960), (36, 6915520), (40, 6223968), (45, 5532416), (48, 5186640), (60, 4149312), (64, 3889980), (72, 3457760), (80, 3111984), (90, 2766208), (96, 2593320), (120, 2074656), (128, 1944990), (144, 1728880), (160, 1555992), (180, 1383104), (192, 1296660), (240, 1037328), (256, 972495), (288, 864440), (320, 777996), (360, 691552), (384, 648330), (480, 518664), (576, 432220), (640, 388998), (720, 345776), (768, 324165), (960, 259332), (1152, 216110), (1280, 194499), (1440, 172888), (1920, 129666), (2304, 108055), (2880, 86444), (3840, 64833), (5760, 43222), (11520, 21611)]