1990271880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{240371}}^1$

素因数の和:240411

約数の個数: 96

約数和(自身を含む): 6749645760

約数和(自身を除く): 4759373880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 240371, 480742, 721113, 961484, 1201855, 1442226, 1922968, 2163339, 2403710, 2884452, 3605565, 4326678, 4807420, 5528533, 5768904, 7211130, 8653356, 9614840, 10816695, 11057066, 14422260, 16585599, 17306712, 21633390, 22114132, 27642665, 28844520, 33171198, 43266780, 44228264, 49756797, 55285330, 66342396, 82927995, 86533560, 99513594, 110570660, 132684792, 165855990, 199027188, 221141320, 248783985, 331711980, 398054376, 497567970, 663423960, 995135940, 1990271880]

約数ペア:

[(1, 1990271880), (2, 995135940), (3, 663423960), (4, 497567970), (5, 398054376), (6, 331711980), (8, 248783985), (9, 221141320), (10, 199027188), (12, 165855990), (15, 132684792), (18, 110570660), (20, 99513594), (23, 86533560), (24, 82927995), (30, 66342396), (36, 55285330), (40, 49756797), (45, 44228264), (46, 43266780), (60, 33171198), (69, 28844520), (72, 27642665), (90, 22114132), (92, 21633390), (115, 17306712), (120, 16585599), (138, 14422260), (180, 11057066), (184, 10816695), (207, 9614840), (230, 8653356), (276, 7211130), (345, 5768904), (360, 5528533), (414, 4807420), (460, 4326678), (552, 3605565), (690, 2884452), (828, 2403710), (920, 2163339), (1035, 1922968), (1380, 1442226), (1656, 1201855), (2070, 961484), (2760, 721113), (4140, 480742), (8280, 240371)]