20157377400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{971}}^1$

素因数の和:1619

約数の個数: 288

約数和(自身を含む): 71448998400

約数和(自身を除く): 51291621000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 360, 380, 450, 456, 475, 570, 600, 607, 684, 760, 855, 900, 950, 971, 1140, 1214, 1368, 1425, 1710, 1800, 1821, 1900, 1942, 2280, 2428, 2850, 2913, 3035, 3420, 3642, 3800, 3884, 4275, 4855, 4856, 5463, 5700, 5826, 6070, 6840, 7284, 7768, 8550, 8739, 9105, 9710, 10926, 11400, 11533, 11652, 12140, 14565, 14568, 15175, 17100, 17478, 18210, 18449, 19420, 21852, 23066, 23304, 24275, 24280, 27315, 29130, 30350, 34200, 34599, 34956, 36420, 36898, 38840, 43695, 43704, 45525, 46132, 48550, 54630, 55347, 57665, 58260, 60700, 69198, 69912, 72825, 72840, 73796, 87390, 91050, 92245, 92264, 97100, 103797, 109260, 110694, 115330, 116520, 121400, 136575, 138396, 145650, 147592, 166041, 172995, 174780, 182100, 184490, 194200, 207594, 218475, 218520, 221388, 230660, 273150, 276735, 276792, 288325, 291300, 332082, 345990, 349560, 364200, 368980, 415188, 436950, 442776, 461225, 461320, 518985, 546300, 553470, 576650, 582600, 589397, 664164, 691980, 737960, 830205, 830376, 864975, 873900, 922450, 1037970, 1092600, 1106940, 1153300, 1178794, 1328328, 1383675, 1383960, 1660410, 1729950, 1747800, 1768191, 1844900, 2075940, 2213880, 2306600, 2357588, 2594925, 2767350, 2946985, 3320820, 3459900, 3536382, 3689800, 4151025, 4151880, 4715176, 5189850, 5304573, 5534700, 5893970, 6641640, 6919800, 7072764, 8302050, 8840955, 10379700, 10609146, 11069400, 11198543, 11787940, 14145528, 14734925, 16604100, 17681910, 20759400, 21218292, 22397086, 23575880, 26522865, 29469850, 33208200, 33595629, 35363820, 42436584, 44204775, 44794172, 53045730, 55992715, 58939700, 67191258, 70727640, 88409550, 89588344, 100786887, 106091460, 111985430, 117879400, 132614325, 134382516, 167978145, 176819100, 201573774, 212182920, 223970860, 265228650, 268765032, 279963575, 335956290, 353638200, 403147548, 447941720, 503934435, 530457300, 559927150, 671912580, 806295096, 839890725, 1007868870, 1060914600, 1119854300, 1343825160, 1679781450, 2015737740, 2239708600, 2519672175, 3359562900, 4031475480, 5039344350, 6719125800, 10078688700, 20157377400]

約数ペア:

[(1, 20157377400), (2, 10078688700), (3, 6719125800), (4, 5039344350), (5, 4031475480), (6, 3359562900), (8, 2519672175), (9, 2239708600), (10, 2015737740), (12, 1679781450), (15, 1343825160), (18, 1119854300), (19, 1060914600), (20, 1007868870), (24, 839890725), (25, 806295096), (30, 671912580), (36, 559927150), (38, 530457300), (40, 503934435), (45, 447941720), (50, 403147548), (57, 353638200), (60, 335956290), (72, 279963575), (75, 268765032), (76, 265228650), (90, 223970860), (95, 212182920), (100, 201573774), (114, 176819100), (120, 167978145), (150, 134382516), (152, 132614325), (171, 117879400), (180, 111985430), (190, 106091460), (200, 100786887), (225, 89588344), (228, 88409550), (285, 70727640), (300, 67191258), (342, 58939700), (360, 55992715), (380, 53045730), (450, 44794172), (456, 44204775), (475, 42436584), (570, 35363820), (600, 33595629), (607, 33208200), (684, 29469850), (760, 26522865), (855, 23575880), (900, 22397086), (950, 21218292), (971, 20759400), (1140, 17681910), (1214, 16604100), (1368, 14734925), (1425, 14145528), (1710, 11787940), (1800, 11198543), (1821, 11069400), (1900, 10609146), (1942, 10379700), (2280, 8840955), (2428, 8302050), (2850, 7072764), (2913, 6919800), (3035, 6641640), (3420, 5893970), (3642, 5534700), (3800, 5304573), (3884, 5189850), (4275, 4715176), (4855, 4151880), (4856, 4151025), (5463, 3689800), (5700, 3536382), (5826, 3459900), (6070, 3320820), (6840, 2946985), (7284, 2767350), (7768, 2594925), (8550, 2357588), (8739, 2306600), (9105, 2213880), (9710, 2075940), (10926, 1844900), (11400, 1768191), (11533, 1747800), (11652, 1729950), (12140, 1660410), (14565, 1383960), (14568, 1383675), (15175, 1328328), (17100, 1178794), (17478, 1153300), (18210, 1106940), (18449, 1092600), (19420, 1037970), (21852, 922450), (23066, 873900), (23304, 864975), (24275, 830376), (24280, 830205), (27315, 737960), (29130, 691980), (30350, 664164), (34200, 589397), (34599, 582600), (34956, 576650), (36420, 553470), (36898, 546300), (38840, 518985), (43695, 461320), (43704, 461225), (45525, 442776), (46132, 436950), (48550, 415188), (54630, 368980), (55347, 364200), (57665, 349560), (58260, 345990), (60700, 332082), (69198, 291300), (69912, 288325), (72825, 276792), (72840, 276735), (73796, 273150), (87390, 230660), (91050, 221388), (92245, 218520), (92264, 218475), (97100, 207594), (103797, 194200), (109260, 184490), (110694, 182100), (115330, 174780), (116520, 172995), (121400, 166041), (136575, 147592), (138396, 145650)]