1237726720

素因数分解:

$2^9\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4787}}^1$

素因数の和:4911

約数の個数: 80

約数和(自身を含む): 2997651888

約数和(自身を除く): 1759925168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 512, 640, 808, 1010, 1280, 1616, 2020, 2560, 3232, 4040, 4787, 6464, 8080, 9574, 12928, 16160, 19148, 23935, 25856, 32320, 38296, 47870, 51712, 64640, 76592, 95740, 129280, 153184, 191480, 258560, 306368, 382960, 483487, 612736, 765920, 966974, 1225472, 1531840, 1933948, 2417435, 2450944, 3063680, 3867896, 4834870, 6127360, 7735792, 9669740, 12254720, 15471584, 19339480, 30943168, 38678960, 61886336, 77357920, 123772672, 154715840, 247545344, 309431680, 618863360, 1237726720]

約数ペア:

[(1, 1237726720), (2, 618863360), (4, 309431680), (5, 247545344), (8, 154715840), (10, 123772672), (16, 77357920), (20, 61886336), (32, 38678960), (40, 30943168), (64, 19339480), (80, 15471584), (101, 12254720), (128, 9669740), (160, 7735792), (202, 6127360), (256, 4834870), (320, 3867896), (404, 3063680), (505, 2450944), (512, 2417435), (640, 1933948), (808, 1531840), (1010, 1225472), (1280, 966974), (1616, 765920), (2020, 612736), (2560, 483487), (3232, 382960), (4040, 306368), (4787, 258560), (6464, 191480), (8080, 153184), (9574, 129280), (12928, 95740), (16160, 76592), (19148, 64640), (23935, 51712), (25856, 47870), (32320, 38296)]