8990906120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1172

約数の個数: 192

約数和(自身を含む): 24329004480

約数和(自身を除く): 15338098360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 107, 140, 172, 196, 214, 215, 245, 280, 301, 344, 392, 428, 430, 490, 535, 602, 749, 856, 860, 980, 997, 1070, 1204, 1498, 1505, 1720, 1960, 1994, 2107, 2140, 2408, 2996, 3010, 3745, 3988, 4214, 4280, 4601, 4985, 5243, 5992, 6020, 6979, 7490, 7976, 8428, 9202, 9970, 10486, 10535, 12040, 13958, 14980, 16856, 18404, 19940, 20972, 21070, 23005, 26215, 27916, 29960, 32207, 34895, 36808, 39880, 41944, 42140, 42871, 46010, 48853, 52430, 55832, 64414, 69790, 84280, 85742, 92020, 97706, 104860, 106679, 128828, 139580, 161035, 171484, 184040, 195412, 209720, 213358, 214355, 225449, 244265, 257656, 279160, 300097, 322070, 342968, 390824, 426716, 428710, 450898, 488530, 533395, 600194, 644140, 746753, 853432, 857420, 901796, 977060, 1066790, 1127245, 1200388, 1288280, 1493506, 1500485, 1714840, 1803592, 1954120, 2100679, 2133580, 2254490, 2400776, 2987012, 3000970, 3733765, 4201358, 4267160, 4508980, 4587197, 5227271, 5974024, 6001940, 7467530, 8402716, 9017960, 9174394, 10454542, 10503395, 12003880, 14935060, 16805432, 18348788, 20909084, 21006790, 22935985, 26136355, 29870120, 32110379, 36697576, 41818168, 42013580, 45871970, 52272710, 64220758, 84027160, 91743940, 104545420, 128441516, 160551895, 183487880, 209090840, 224772653, 256883032, 321103790, 449545306, 642207580, 899090612, 1123863265, 1284415160, 1798181224, 2247726530, 4495453060, 8990906120]

約数ペア:

[(1, 8990906120), (2, 4495453060), (4, 2247726530), (5, 1798181224), (7, 1284415160), (8, 1123863265), (10, 899090612), (14, 642207580), (20, 449545306), (28, 321103790), (35, 256883032), (40, 224772653), (43, 209090840), (49, 183487880), (56, 160551895), (70, 128441516), (86, 104545420), (98, 91743940), (107, 84027160), (140, 64220758), (172, 52272710), (196, 45871970), (214, 42013580), (215, 41818168), (245, 36697576), (280, 32110379), (301, 29870120), (344, 26136355), (392, 22935985), (428, 21006790), (430, 20909084), (490, 18348788), (535, 16805432), (602, 14935060), (749, 12003880), (856, 10503395), (860, 10454542), (980, 9174394), (997, 9017960), (1070, 8402716), (1204, 7467530), (1498, 6001940), (1505, 5974024), (1720, 5227271), (1960, 4587197), (1994, 4508980), (2107, 4267160), (2140, 4201358), (2408, 3733765), (2996, 3000970), (3010, 2987012), (3745, 2400776), (3988, 2254490), (4214, 2133580), (4280, 2100679), (4601, 1954120), (4985, 1803592), (5243, 1714840), (5992, 1500485), (6020, 1493506), (6979, 1288280), (7490, 1200388), (7976, 1127245), (8428, 1066790), (9202, 977060), (9970, 901796), (10486, 857420), (10535, 853432), (12040, 746753), (13958, 644140), (14980, 600194), (16856, 533395), (18404, 488530), (19940, 450898), (20972, 428710), (21070, 426716), (23005, 390824), (26215, 342968), (27916, 322070), (29960, 300097), (32207, 279160), (34895, 257656), (36808, 244265), (39880, 225449), (41944, 214355), (42140, 213358), (42871, 209720), (46010, 195412), (48853, 184040), (52430, 171484), (55832, 161035), (64414, 139580), (69790, 128828), (84280, 106679), (85742, 104860), (92020, 97706)]