20305080

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2089}}^1$

素因数の和:2115

約数の個数: 96

約数和(自身を含む): 68468400

約数和(自身を除く): 48163320

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, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2089, 2430, 3240, 4178, 4860, 6267, 8356, 9720, 10445, 12534, 16712, 18801, 20890, 25068, 31335, 37602, 41780, 50136, 56403, 62670, 75204, 83560, 94005, 112806, 125340, 150408, 169209, 188010, 225612, 250680, 282015, 338418, 376020, 451224, 507627, 564030, 676836, 752040, 846045, 1015254, 1128060, 1353672, 1692090, 2030508, 2256120, 2538135, 3384180, 4061016, 5076270, 6768360, 10152540, 20305080]

約数ペア:

[(1, 20305080), (2, 10152540), (3, 6768360), (4, 5076270), (5, 4061016), (6, 3384180), (8, 2538135), (9, 2256120), (10, 2030508), (12, 1692090), (15, 1353672), (18, 1128060), (20, 1015254), (24, 846045), (27, 752040), (30, 676836), (36, 564030), (40, 507627), (45, 451224), (54, 376020), (60, 338418), (72, 282015), (81, 250680), (90, 225612), (108, 188010), (120, 169209), (135, 150408), (162, 125340), (180, 112806), (216, 94005), (243, 83560), (270, 75204), (324, 62670), (360, 56403), (405, 50136), (486, 41780), (540, 37602), (648, 31335), (810, 25068), (972, 20890), (1080, 18801), (1215, 16712), (1620, 12534), (1944, 10445), (2089, 9720), (2430, 8356), (3240, 6267), (4178, 4860)]