1216705280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1075

約数の個数: 216

約数和(自身を含む): 3572135280

約数和(自身を除く): 2355430000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 190, 196, 224, 245, 256, 266, 280, 304, 320, 380, 392, 448, 490, 532, 560, 608, 640, 665, 760, 784, 896, 931, 980, 1021, 1064, 1120, 1216, 1280, 1330, 1520, 1568, 1792, 1862, 1960, 2042, 2128, 2240, 2432, 2660, 3040, 3136, 3724, 3920, 4084, 4256, 4480, 4655, 4864, 5105, 5320, 6080, 6272, 7147, 7448, 7840, 8168, 8512, 8960, 9310, 10210, 10640, 12160, 12544, 14294, 14896, 15680, 16336, 17024, 18620, 19399, 20420, 21280, 24320, 28588, 29792, 31360, 32672, 34048, 35735, 37240, 38798, 40840, 42560, 50029, 57176, 59584, 62720, 65344, 71470, 74480, 77596, 81680, 85120, 96995, 100058, 114352, 119168, 130688, 135793, 142940, 148960, 155192, 163360, 170240, 193990, 200116, 228704, 238336, 250145, 261376, 271586, 285880, 297920, 310384, 326720, 387980, 400232, 457408, 500290, 543172, 571760, 595840, 620768, 653440, 678965, 775960, 800464, 914816, 950551, 1000580, 1086344, 1143520, 1191680, 1241536, 1306880, 1357930, 1551920, 1600928, 1829632, 1901102, 2001160, 2172688, 2287040, 2483072, 2715860, 3103840, 3201856, 3802204, 4002320, 4345376, 4574080, 4752755, 4966144, 5431720, 6207680, 6403712, 7604408, 8004640, 8690752, 9148160, 9505510, 10863440, 12415360, 12807424, 15208816, 16009280, 17381504, 19011020, 21726880, 24830720, 30417632, 32018560, 34763008, 38022040, 43453760, 60835264, 64037120, 76044080, 86907520, 121670528, 152088160, 173815040, 243341056, 304176320, 608352640, 1216705280]

約数ペア:

[(1, 1216705280), (2, 608352640), (4, 304176320), (5, 243341056), (7, 173815040), (8, 152088160), (10, 121670528), (14, 86907520), (16, 76044080), (19, 64037120), (20, 60835264), (28, 43453760), (32, 38022040), (35, 34763008), (38, 32018560), (40, 30417632), (49, 24830720), (56, 21726880), (64, 19011020), (70, 17381504), (76, 16009280), (80, 15208816), (95, 12807424), (98, 12415360), (112, 10863440), (128, 9505510), (133, 9148160), (140, 8690752), (152, 8004640), (160, 7604408), (190, 6403712), (196, 6207680), (224, 5431720), (245, 4966144), (256, 4752755), (266, 4574080), (280, 4345376), (304, 4002320), (320, 3802204), (380, 3201856), (392, 3103840), (448, 2715860), (490, 2483072), (532, 2287040), (560, 2172688), (608, 2001160), (640, 1901102), (665, 1829632), (760, 1600928), (784, 1551920), (896, 1357930), (931, 1306880), (980, 1241536), (1021, 1191680), (1064, 1143520), (1120, 1086344), (1216, 1000580), (1280, 950551), (1330, 914816), (1520, 800464), (1568, 775960), (1792, 678965), (1862, 653440), (1960, 620768), (2042, 595840), (2128, 571760), (2240, 543172), (2432, 500290), (2660, 457408), (3040, 400232), (3136, 387980), (3724, 326720), (3920, 310384), (4084, 297920), (4256, 285880), (4480, 271586), (4655, 261376), (4864, 250145), (5105, 238336), (5320, 228704), (6080, 200116), (6272, 193990), (7147, 170240), (7448, 163360), (7840, 155192), (8168, 148960), (8512, 142940), (8960, 135793), (9310, 130688), (10210, 119168), (10640, 114352), (12160, 100058), (12544, 96995), (14294, 85120), (14896, 81680), (15680, 77596), (16336, 74480), (17024, 71470), (18620, 65344), (19399, 62720), (20420, 59584), (21280, 57176), (24320, 50029), (28588, 42560), (29792, 40840), (31360, 38798), (32672, 37240), (34048, 35735)]