821160720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16529}}^1$

素因数の和:16574

約数の個数: 160

約数和(自身を含む): 2951596800

約数和(自身を除く): 2130436080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1380, 1656, 1840, 2070, 2160, 2484, 2760, 3105, 3312, 4140, 4968, 5520, 6210, 8280, 9936, 12420, 16529, 16560, 24840, 33058, 49587, 49680, 66116, 82645, 99174, 132232, 148761, 165290, 198348, 247935, 264464, 297522, 330580, 380167, 396696, 446283, 495870, 595044, 661160, 743805, 760334, 793392, 892566, 991740, 1140501, 1190088, 1322320, 1487610, 1520668, 1785132, 1900835, 1983480, 2231415, 2281002, 2380176, 2975220, 3041336, 3421503, 3570264, 3801670, 3966960, 4462830, 4562004, 5702505, 5950440, 6082672, 6843006, 7140528, 7603340, 8925660, 9124008, 10264509, 11405010, 11900880, 13686012, 15206680, 17107515, 17851320, 18248016, 20529018, 22810020, 27372024, 30413360, 34215030, 35702640, 41058036, 45620040, 51322545, 54744048, 68430060, 82116072, 91240080, 102645090, 136860120, 164232144, 205290180, 273720240, 410580360, 821160720]

約数ペア:

[(1, 821160720), (2, 410580360), (3, 273720240), (4, 205290180), (5, 164232144), (6, 136860120), (8, 102645090), (9, 91240080), (10, 82116072), (12, 68430060), (15, 54744048), (16, 51322545), (18, 45620040), (20, 41058036), (23, 35702640), (24, 34215030), (27, 30413360), (30, 27372024), (36, 22810020), (40, 20529018), (45, 18248016), (46, 17851320), (48, 17107515), (54, 15206680), (60, 13686012), (69, 11900880), (72, 11405010), (80, 10264509), (90, 9124008), (92, 8925660), (108, 7603340), (115, 7140528), (120, 6843006), (135, 6082672), (138, 5950440), (144, 5702505), (180, 4562004), (184, 4462830), (207, 3966960), (216, 3801670), (230, 3570264), (240, 3421503), (270, 3041336), (276, 2975220), (345, 2380176), (360, 2281002), (368, 2231415), (414, 1983480), (432, 1900835), (460, 1785132), (540, 1520668), (552, 1487610), (621, 1322320), (690, 1190088), (720, 1140501), (828, 991740), (920, 892566), (1035, 793392), (1080, 760334), (1104, 743805), (1242, 661160), (1380, 595044), (1656, 495870), (1840, 446283), (2070, 396696), (2160, 380167), (2484, 330580), (2760, 297522), (3105, 264464), (3312, 247935), (4140, 198348), (4968, 165290), (5520, 148761), (6210, 132232), (8280, 99174), (9936, 82645), (12420, 66116), (16529, 49680), (16560, 49587), (24840, 33058)]