19919084040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{489653}}^1$

素因数の和:489783

約数の個数: 96

約数和(自身を含む): 65310050520

約数和(自身を除く): 45390966480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 113, 120, 180, 226, 339, 360, 452, 565, 678, 904, 1017, 1130, 1356, 1695, 2034, 2260, 2712, 3390, 4068, 4520, 5085, 6780, 8136, 10170, 13560, 20340, 40680, 489653, 979306, 1468959, 1958612, 2448265, 2937918, 3917224, 4406877, 4896530, 5875836, 7344795, 8813754, 9793060, 11751672, 14689590, 17627508, 19586120, 22034385, 29379180, 35255016, 44068770, 55330789, 58758360, 88137540, 110661578, 165992367, 176275080, 221323156, 276653945, 331984734, 442646312, 497977101, 553307890, 663969468, 829961835, 995954202, 1106615780, 1327938936, 1659923670, 1991908404, 2213231560, 2489885505, 3319847340, 3983816808, 4979771010, 6639694680, 9959542020, 19919084040]

約数ペア:

[(1, 19919084040), (2, 9959542020), (3, 6639694680), (4, 4979771010), (5, 3983816808), (6, 3319847340), (8, 2489885505), (9, 2213231560), (10, 1991908404), (12, 1659923670), (15, 1327938936), (18, 1106615780), (20, 995954202), (24, 829961835), (30, 663969468), (36, 553307890), (40, 497977101), (45, 442646312), (60, 331984734), (72, 276653945), (90, 221323156), (113, 176275080), (120, 165992367), (180, 110661578), (226, 88137540), (339, 58758360), (360, 55330789), (452, 44068770), (565, 35255016), (678, 29379180), (904, 22034385), (1017, 19586120), (1130, 17627508), (1356, 14689590), (1695, 11751672), (2034, 9793060), (2260, 8813754), (2712, 7344795), (3390, 5875836), (4068, 4896530), (4520, 4406877), (5085, 3917224), (6780, 2937918), (8136, 2448265), (10170, 1958612), (13560, 1468959), (20340, 979306), (40680, 489653)]