71671600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 240

約数和(自身を含む): 232485120

約数和(自身を除く): 160813520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 25, 26, 28, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 80, 88, 91, 100, 104, 110, 112, 130, 140, 143, 154, 175, 176, 179, 182, 200, 208, 220, 260, 275, 280, 286, 308, 325, 350, 358, 364, 385, 400, 440, 455, 520, 550, 560, 572, 616, 650, 700, 715, 716, 728, 770, 880, 895, 910, 1001, 1040, 1100, 1144, 1232, 1253, 1300, 1400, 1430, 1432, 1456, 1540, 1790, 1820, 1925, 1969, 2002, 2200, 2275, 2288, 2327, 2506, 2600, 2800, 2860, 2864, 3080, 3575, 3580, 3640, 3850, 3938, 4004, 4400, 4475, 4550, 4654, 5005, 5012, 5200, 5720, 6160, 6265, 7150, 7160, 7280, 7700, 7876, 8008, 8950, 9100, 9308, 9845, 10010, 10024, 11440, 11635, 12530, 13783, 14300, 14320, 15400, 15752, 16016, 16289, 17900, 18200, 18616, 19690, 20020, 20048, 23270, 25025, 25060, 25597, 27566, 28600, 30800, 31325, 31504, 32578, 35800, 36400, 37232, 39380, 40040, 46540, 49225, 50050, 50120, 51194, 55132, 57200, 58175, 62650, 65156, 68915, 71600, 78760, 80080, 81445, 93080, 98450, 100100, 100240, 102388, 110264, 116350, 125300, 127985, 130312, 137830, 157520, 162890, 179179, 186160, 196900, 200200, 204776, 220528, 232700, 250600, 255970, 260624, 275660, 325780, 344575, 358358, 393800, 400400, 407225, 409552, 465400, 501200, 511940, 551320, 639925, 651560, 689150, 716716, 787600, 814450, 895895, 930800, 1023880, 1102640, 1279850, 1303120, 1378300, 1433432, 1628900, 1791790, 2047760, 2559700, 2756600, 2866864, 3257800, 3583580, 4479475, 5119400, 5513200, 6515600, 7167160, 8958950, 10238800, 14334320, 17917900, 35835800, 71671600]

約数ペア:

[(1, 71671600), (2, 35835800), (4, 17917900), (5, 14334320), (7, 10238800), (8, 8958950), (10, 7167160), (11, 6515600), (13, 5513200), (14, 5119400), (16, 4479475), (20, 3583580), (22, 3257800), (25, 2866864), (26, 2756600), (28, 2559700), (35, 2047760), (40, 1791790), (44, 1628900), (50, 1433432), (52, 1378300), (55, 1303120), (56, 1279850), (65, 1102640), (70, 1023880), (77, 930800), (80, 895895), (88, 814450), (91, 787600), (100, 716716), (104, 689150), (110, 651560), (112, 639925), (130, 551320), (140, 511940), (143, 501200), (154, 465400), (175, 409552), (176, 407225), (179, 400400), (182, 393800), (200, 358358), (208, 344575), (220, 325780), (260, 275660), (275, 260624), (280, 255970), (286, 250600), (308, 232700), (325, 220528), (350, 204776), (358, 200200), (364, 196900), (385, 186160), (400, 179179), (440, 162890), (455, 157520), (520, 137830), (550, 130312), (560, 127985), (572, 125300), (616, 116350), (650, 110264), (700, 102388), (715, 100240), (716, 100100), (728, 98450), (770, 93080), (880, 81445), (895, 80080), (910, 78760), (1001, 71600), (1040, 68915), (1100, 65156), (1144, 62650), (1232, 58175), (1253, 57200), (1300, 55132), (1400, 51194), (1430, 50120), (1432, 50050), (1456, 49225), (1540, 46540), (1790, 40040), (1820, 39380), (1925, 37232), (1969, 36400), (2002, 35800), (2200, 32578), (2275, 31504), (2288, 31325), (2327, 30800), (2506, 28600), (2600, 27566), (2800, 25597), (2860, 25060), (2864, 25025), (3080, 23270), (3575, 20048), (3580, 20020), (3640, 19690), (3850, 18616), (3938, 18200), (4004, 17900), (4400, 16289), (4475, 16016), (4550, 15752), (4654, 15400), (5005, 14320), (5012, 14300), (5200, 13783), (5720, 12530), (6160, 11635), (6265, 11440), (7150, 10024), (7160, 10010), (7280, 9845), (7700, 9308), (7876, 9100), (8008, 8950)]