81009024640

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{21227}}^1$

素因数の和:21402

約数の個数: 128

約数和(自身を含む): 198770500800

約数和(自身を除く): 117761476160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 89, 128, 134, 160, 178, 268, 320, 335, 356, 445, 536, 640, 670, 712, 890, 1072, 1340, 1424, 1780, 2144, 2680, 2848, 3560, 4288, 5360, 5696, 5963, 7120, 8576, 10720, 11392, 11926, 14240, 21227, 21440, 23852, 28480, 29815, 42454, 42880, 47704, 56960, 59630, 84908, 95408, 106135, 119260, 169816, 190816, 212270, 238520, 339632, 381632, 424540, 477040, 679264, 763264, 849080, 954080, 1358528, 1422209, 1698160, 1889203, 1908160, 2717056, 2844418, 3396320, 3778406, 3816320, 5688836, 6792640, 7111045, 7556812, 9446015, 11377672, 13585280, 14222090, 15113624, 18892030, 22755344, 28444180, 30227248, 37784060, 45510688, 56888360, 60454496, 75568120, 91021376, 113776720, 120908992, 126576601, 151136240, 182042752, 227553440, 241817984, 253153202, 302272480, 455106880, 506306404, 604544960, 632883005, 910213760, 1012612808, 1209089920, 1265766010, 2025225616, 2531532020, 4050451232, 5063064040, 8100902464, 10126128080, 16201804928, 20252256160, 40504512320, 81009024640]

約数ペア:

[(1, 81009024640), (2, 40504512320), (4, 20252256160), (5, 16201804928), (8, 10126128080), (10, 8100902464), (16, 5063064040), (20, 4050451232), (32, 2531532020), (40, 2025225616), (64, 1265766010), (67, 1209089920), (80, 1012612808), (89, 910213760), (128, 632883005), (134, 604544960), (160, 506306404), (178, 455106880), (268, 302272480), (320, 253153202), (335, 241817984), (356, 227553440), (445, 182042752), (536, 151136240), (640, 126576601), (670, 120908992), (712, 113776720), (890, 91021376), (1072, 75568120), (1340, 60454496), (1424, 56888360), (1780, 45510688), (2144, 37784060), (2680, 30227248), (2848, 28444180), (3560, 22755344), (4288, 18892030), (5360, 15113624), (5696, 14222090), (5963, 13585280), (7120, 11377672), (8576, 9446015), (10720, 7556812), (11392, 7111045), (11926, 6792640), (14240, 5688836), (21227, 3816320), (21440, 3778406), (23852, 3396320), (28480, 2844418), (29815, 2717056), (42454, 1908160), (42880, 1889203), (47704, 1698160), (56960, 1422209), (59630, 1358528), (84908, 954080), (95408, 849080), (106135, 763264), (119260, 679264), (169816, 477040), (190816, 424540), (212270, 381632), (238520, 339632)]