21784681080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6723667}}^1$

素因数の和:6723690

約数の個数: 80

約数和(自身を含む): 73220744520

約数和(自身を除く): 51436063440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6723667, 13447334, 20171001, 26894668, 33618335, 40342002, 53789336, 60513003, 67236670, 80684004, 100855005, 121026006, 134473340, 161368008, 181539009, 201710010, 242052012, 268946680, 302565015, 363078018, 403420020, 484104024, 544617027, 605130030, 726156036, 806840040, 907695045, 1089234054, 1210260060, 1452312072, 1815390090, 2178468108, 2420520120, 2723085135, 3630780180, 4356936216, 5446170270, 7261560360, 10892340540, 21784681080]

約数ペア:

[(1, 21784681080), (2, 10892340540), (3, 7261560360), (4, 5446170270), (5, 4356936216), (6, 3630780180), (8, 2723085135), (9, 2420520120), (10, 2178468108), (12, 1815390090), (15, 1452312072), (18, 1210260060), (20, 1089234054), (24, 907695045), (27, 806840040), (30, 726156036), (36, 605130030), (40, 544617027), (45, 484104024), (54, 403420020), (60, 363078018), (72, 302565015), (81, 268946680), (90, 242052012), (108, 201710010), (120, 181539009), (135, 161368008), (162, 134473340), (180, 121026006), (216, 100855005), (270, 80684004), (324, 67236670), (360, 60513003), (405, 53789336), (540, 40342002), (648, 33618335), (810, 26894668), (1080, 20171001), (1620, 13447334), (3240, 6723667)]