71975680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 204563520

約数和(自身を除く): 132587840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 256, 277, 280, 290, 320, 406, 448, 464, 554, 560, 580, 640, 812, 896, 928, 1015, 1108, 1120, 1160, 1280, 1385, 1624, 1792, 1856, 1939, 2030, 2216, 2240, 2320, 2770, 3248, 3712, 3878, 4060, 4432, 4480, 4640, 5540, 6496, 7424, 7756, 8033, 8120, 8864, 8960, 9280, 9695, 11080, 12992, 15512, 16066, 16240, 17728, 18560, 19390, 22160, 25984, 31024, 32132, 32480, 35456, 37120, 38780, 40165, 44320, 51968, 56231, 62048, 64264, 64960, 70912, 77560, 80330, 88640, 112462, 124096, 128528, 129920, 155120, 160660, 177280, 224924, 248192, 257056, 259840, 281155, 310240, 321320, 354560, 449848, 496384, 514112, 562310, 620480, 642640, 899696, 1028224, 1124620, 1240960, 1285280, 1799392, 2056448, 2249240, 2481920, 2570560, 3598784, 4498480, 5141120, 7197568, 8996960, 10282240, 14395136, 17993920, 35987840, 71975680]

約数ペア:

[(1, 71975680), (2, 35987840), (4, 17993920), (5, 14395136), (7, 10282240), (8, 8996960), (10, 7197568), (14, 5141120), (16, 4498480), (20, 3598784), (28, 2570560), (29, 2481920), (32, 2249240), (35, 2056448), (40, 1799392), (56, 1285280), (58, 1240960), (64, 1124620), (70, 1028224), (80, 899696), (112, 642640), (116, 620480), (128, 562310), (140, 514112), (145, 496384), (160, 449848), (203, 354560), (224, 321320), (232, 310240), (256, 281155), (277, 259840), (280, 257056), (290, 248192), (320, 224924), (406, 177280), (448, 160660), (464, 155120), (554, 129920), (560, 128528), (580, 124096), (640, 112462), (812, 88640), (896, 80330), (928, 77560), (1015, 70912), (1108, 64960), (1120, 64264), (1160, 62048), (1280, 56231), (1385, 51968), (1624, 44320), (1792, 40165), (1856, 38780), (1939, 37120), (2030, 35456), (2216, 32480), (2240, 32132), (2320, 31024), (2770, 25984), (3248, 22160), (3712, 19390), (3878, 18560), (4060, 17728), (4432, 16240), (4480, 16066), (4640, 15512), (5540, 12992), (6496, 11080), (7424, 9695), (7756, 9280), (8033, 8960), (8120, 8864)]