243806720

素因数分解:

$2^9\times 5^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:881

約数の個数: 80

約数和(自身を含む): 589837248

約数和(自身を除く): 346030528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 512, 524, 640, 655, 727, 1048, 1280, 1310, 1454, 2096, 2560, 2620, 2908, 3635, 4192, 5240, 5816, 7270, 8384, 10480, 11632, 14540, 16768, 20960, 23264, 29080, 33536, 41920, 46528, 58160, 67072, 83840, 93056, 95237, 116320, 167680, 186112, 190474, 232640, 335360, 372224, 380948, 465280, 476185, 761896, 930560, 952370, 1523792, 1861120, 1904740, 3047584, 3809480, 6095168, 7618960, 12190336, 15237920, 24380672, 30475840, 48761344, 60951680, 121903360, 243806720]

約数ペア:

[(1, 243806720), (2, 121903360), (4, 60951680), (5, 48761344), (8, 30475840), (10, 24380672), (16, 15237920), (20, 12190336), (32, 7618960), (40, 6095168), (64, 3809480), (80, 3047584), (128, 1904740), (131, 1861120), (160, 1523792), (256, 952370), (262, 930560), (320, 761896), (512, 476185), (524, 465280), (640, 380948), (655, 372224), (727, 335360), (1048, 232640), (1280, 190474), (1310, 186112), (1454, 167680), (2096, 116320), (2560, 95237), (2620, 93056), (2908, 83840), (3635, 67072), (4192, 58160), (5240, 46528), (5816, 41920), (7270, 33536), (8384, 29080), (10480, 23264), (11632, 20960), (14540, 16768)]