20640049200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{78539}}^1$

素因数の和:78636

約数の個数: 180

約数和(自身を含む): 72608816280

約数和(自身を除く): 51968767080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 73, 75, 80, 90, 100, 120, 144, 146, 150, 180, 200, 219, 225, 240, 292, 300, 360, 365, 400, 438, 450, 584, 600, 657, 720, 730, 876, 900, 1095, 1168, 1200, 1314, 1460, 1752, 1800, 1825, 2190, 2628, 2920, 3285, 3504, 3600, 3650, 4380, 5256, 5475, 5840, 6570, 7300, 8760, 10512, 10950, 13140, 14600, 16425, 17520, 21900, 26280, 29200, 32850, 43800, 52560, 65700, 78539, 87600, 131400, 157078, 235617, 262800, 314156, 392695, 471234, 628312, 706851, 785390, 942468, 1178085, 1256624, 1413702, 1570780, 1884936, 1963475, 2356170, 2827404, 3141560, 3534255, 3769872, 3926950, 4712340, 5654808, 5733347, 5890425, 6283120, 7068510, 7853900, 9424680, 11309616, 11466694, 11780850, 14137020, 15707800, 17200041, 17671275, 18849360, 22933388, 23561700, 28274040, 28666735, 31415600, 34400082, 35342550, 45866776, 47123400, 51600123, 56548080, 57333470, 68800164, 70685100, 86000205, 91733552, 94246800, 103200246, 114666940, 137600328, 141370200, 143333675, 172000410, 206400492, 229333880, 258000615, 275200656, 282740400, 286667350, 344000820, 412800984, 430001025, 458667760, 516001230, 573334700, 688001640, 825601968, 860002050, 1032002460, 1146669400, 1290003075, 1376003280, 1720004100, 2064004920, 2293338800, 2580006150, 3440008200, 4128009840, 5160012300, 6880016400, 10320024600, 20640049200]

約数ペア:

[(1, 20640049200), (2, 10320024600), (3, 6880016400), (4, 5160012300), (5, 4128009840), (6, 3440008200), (8, 2580006150), (9, 2293338800), (10, 2064004920), (12, 1720004100), (15, 1376003280), (16, 1290003075), (18, 1146669400), (20, 1032002460), (24, 860002050), (25, 825601968), (30, 688001640), (36, 573334700), (40, 516001230), (45, 458667760), (48, 430001025), (50, 412800984), (60, 344000820), (72, 286667350), (73, 282740400), (75, 275200656), (80, 258000615), (90, 229333880), (100, 206400492), (120, 172000410), (144, 143333675), (146, 141370200), (150, 137600328), (180, 114666940), (200, 103200246), (219, 94246800), (225, 91733552), (240, 86000205), (292, 70685100), (300, 68800164), (360, 57333470), (365, 56548080), (400, 51600123), (438, 47123400), (450, 45866776), (584, 35342550), (600, 34400082), (657, 31415600), (720, 28666735), (730, 28274040), (876, 23561700), (900, 22933388), (1095, 18849360), (1168, 17671275), (1200, 17200041), (1314, 15707800), (1460, 14137020), (1752, 11780850), (1800, 11466694), (1825, 11309616), (2190, 9424680), (2628, 7853900), (2920, 7068510), (3285, 6283120), (3504, 5890425), (3600, 5733347), (3650, 5654808), (4380, 4712340), (5256, 3926950), (5475, 3769872), (5840, 3534255), (6570, 3141560), (7300, 2827404), (8760, 2356170), (10512, 1963475), (10950, 1884936), (13140, 1570780), (14600, 1413702), (16425, 1256624), (17520, 1178085), (21900, 942468), (26280, 785390), (29200, 706851), (32850, 628312), (43800, 471234), (52560, 392695), (65700, 314156), (78539, 262800), (87600, 235617), (131400, 157078)]