1260846720

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{31271}}^1$

素因数の和:31303

約数の個数: 192

約数和(自身を含む): 4976000640

約数和(自身を除く): 3715153920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 31271, 40320, 62542, 93813, 125084, 156355, 187626, 218897, 250168, 281439, 312710, 375252, 437794, 469065, 500336, 562878, 625420, 656691, 750504, 875588, 938130, 1000672, 1094485, 1125756, 1250840, 1313382, 1407195, 1501008, 1751176, 1876260, 1970073, 2001344, 2188970, 2251512, 2501680, 2626764, 2814390, 3002016, 3283455, 3502352, 3752520, 3940146, 4002688, 4377940, 4503024, 5003360, 5253528, 5628780, 6004032, 6566910, 7004704, 7505040, 7880292, 8755880, 9006048, 9850365, 10006720, 10507056, 11257560, 12008064, 13133820, 14009408, 15010080, 15760584, 17511760, 18012096, 19700730, 20013440, 21014112, 22515120, 26267640, 28018816, 30020160, 31521168, 35023520, 36024192, 39401460, 42028224, 45030240, 52535280, 60040320, 63042336, 70047040, 78802920, 84056448, 90060480, 105070560, 126084672, 140094080, 157605840, 180120960, 210141120, 252169344, 315211680, 420282240, 630423360, 1260846720]

約数ペア:

[(1, 1260846720), (2, 630423360), (3, 420282240), (4, 315211680), (5, 252169344), (6, 210141120), (7, 180120960), (8, 157605840), (9, 140094080), (10, 126084672), (12, 105070560), (14, 90060480), (15, 84056448), (16, 78802920), (18, 70047040), (20, 63042336), (21, 60040320), (24, 52535280), (28, 45030240), (30, 42028224), (32, 39401460), (35, 36024192), (36, 35023520), (40, 31521168), (42, 30020160), (45, 28018816), (48, 26267640), (56, 22515120), (60, 21014112), (63, 20013440), (64, 19700730), (70, 18012096), (72, 17511760), (80, 15760584), (84, 15010080), (90, 14009408), (96, 13133820), (105, 12008064), (112, 11257560), (120, 10507056), (126, 10006720), (128, 9850365), (140, 9006048), (144, 8755880), (160, 7880292), (168, 7505040), (180, 7004704), (192, 6566910), (210, 6004032), (224, 5628780), (240, 5253528), (252, 5003360), (280, 4503024), (288, 4377940), (315, 4002688), (320, 3940146), (336, 3752520), (360, 3502352), (384, 3283455), (420, 3002016), (448, 2814390), (480, 2626764), (504, 2501680), (560, 2251512), (576, 2188970), (630, 2001344), (640, 1970073), (672, 1876260), (720, 1751176), (840, 1501008), (896, 1407195), (960, 1313382), (1008, 1250840), (1120, 1125756), (1152, 1094485), (1260, 1000672), (1344, 938130), (1440, 875588), (1680, 750504), (1920, 656691), (2016, 625420), (2240, 562878), (2520, 500336), (2688, 469065), (2880, 437794), (3360, 375252), (4032, 312710), (4480, 281439), (5040, 250168), (5760, 218897), (6720, 187626), (8064, 156355), (10080, 125084), (13440, 93813), (20160, 62542), (31271, 40320)]