20375221920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1\times {\mathrm{2383}}^1$

素因数の和:2827

約数の個数: 192

約数和(自身を含む): 65748049920

約数和(自身を除く): 45372828000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 80, 94, 96, 120, 141, 160, 188, 235, 240, 282, 376, 379, 470, 480, 564, 705, 752, 758, 940, 1128, 1137, 1410, 1504, 1516, 1880, 1895, 2256, 2274, 2383, 2820, 3032, 3760, 3790, 4512, 4548, 4766, 5640, 5685, 6064, 7149, 7520, 7580, 9096, 9532, 11280, 11370, 11915, 12128, 14298, 15160, 17813, 18192, 19064, 22560, 22740, 23830, 28596, 30320, 35626, 35745, 36384, 38128, 45480, 47660, 53439, 57192, 60640, 71252, 71490, 76256, 89065, 90960, 95320, 106878, 112001, 114384, 142504, 142980, 178130, 181920, 190640, 213756, 224002, 228768, 267195, 285008, 285960, 336003, 356260, 381280, 427512, 448004, 534390, 560005, 570016, 571920, 672006, 712520, 855024, 896008, 903157, 1068780, 1120010, 1143840, 1344012, 1425040, 1680015, 1710048, 1792016, 1806314, 2137560, 2240020, 2688024, 2709471, 2850080, 3360030, 3584032, 3612628, 4275120, 4480040, 4515785, 5376048, 5418942, 6720060, 7225256, 8550240, 8960080, 9031570, 10752096, 10837884, 13440120, 13547355, 14450512, 17920160, 18063140, 21675768, 26880240, 27094710, 28901024, 36126280, 42448379, 43351536, 53760480, 54189420, 72252560, 84896758, 86703072, 108378840, 127345137, 144505120, 169793516, 212241895, 216757680, 254690274, 339587032, 424483790, 433515360, 509380548, 636725685, 679174064, 848967580, 1018761096, 1273451370, 1358348128, 1697935160, 2037522192, 2546902740, 3395870320, 4075044384, 5093805480, 6791740640, 10187610960, 20375221920]

約数ペア:

[(1, 20375221920), (2, 10187610960), (3, 6791740640), (4, 5093805480), (5, 4075044384), (6, 3395870320), (8, 2546902740), (10, 2037522192), (12, 1697935160), (15, 1358348128), (16, 1273451370), (20, 1018761096), (24, 848967580), (30, 679174064), (32, 636725685), (40, 509380548), (47, 433515360), (48, 424483790), (60, 339587032), (80, 254690274), (94, 216757680), (96, 212241895), (120, 169793516), (141, 144505120), (160, 127345137), (188, 108378840), (235, 86703072), (240, 84896758), (282, 72252560), (376, 54189420), (379, 53760480), (470, 43351536), (480, 42448379), (564, 36126280), (705, 28901024), (752, 27094710), (758, 26880240), (940, 21675768), (1128, 18063140), (1137, 17920160), (1410, 14450512), (1504, 13547355), (1516, 13440120), (1880, 10837884), (1895, 10752096), (2256, 9031570), (2274, 8960080), (2383, 8550240), (2820, 7225256), (3032, 6720060), (3760, 5418942), (3790, 5376048), (4512, 4515785), (4548, 4480040), (4766, 4275120), (5640, 3612628), (5685, 3584032), (6064, 3360030), (7149, 2850080), (7520, 2709471), (7580, 2688024), (9096, 2240020), (9532, 2137560), (11280, 1806314), (11370, 1792016), (11915, 1710048), (12128, 1680015), (14298, 1425040), (15160, 1344012), (17813, 1143840), (18192, 1120010), (19064, 1068780), (22560, 903157), (22740, 896008), (23830, 855024), (28596, 712520), (30320, 672006), (35626, 571920), (35745, 570016), (36384, 560005), (38128, 534390), (45480, 448004), (47660, 427512), (53439, 381280), (57192, 356260), (60640, 336003), (71252, 285960), (71490, 285008), (76256, 267195), (89065, 228768), (90960, 224002), (95320, 213756), (106878, 190640), (112001, 181920), (114384, 178130), (142504, 142980)]