81023040

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{4019}}^1$

素因数の和:4049

約数の個数: 168

約数和(自身を含む): 318576960

約数和(自身を除く): 237553920

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, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4019, 4032, 5040, 6720, 8038, 10080, 12057, 16076, 20095, 20160, 24114, 28133, 32152, 36171, 40190, 48228, 56266, 60285, 64304, 72342, 80380, 84399, 96456, 112532, 120570, 128608, 140665, 144684, 160760, 168798, 180855, 192912, 225064, 241140, 253197, 257216, 281330, 289368, 321520, 337596, 361710, 385824, 421995, 450128, 482280, 506394, 562660, 578736, 643040, 675192, 723420, 771648, 843990, 900256, 964560, 1012788, 1125320, 1157472, 1265985, 1286080, 1350384, 1446840, 1687980, 1800512, 1929120, 2025576, 2250640, 2314944, 2531970, 2700768, 2893680, 3375960, 3858240, 4051152, 4501280, 5063940, 5401536, 5787360, 6751920, 8102304, 9002560, 10127880, 11574720, 13503840, 16204608, 20255760, 27007680, 40511520, 81023040]

約数ペア:

[(1, 81023040), (2, 40511520), (3, 27007680), (4, 20255760), (5, 16204608), (6, 13503840), (7, 11574720), (8, 10127880), (9, 9002560), (10, 8102304), (12, 6751920), (14, 5787360), (15, 5401536), (16, 5063940), (18, 4501280), (20, 4051152), (21, 3858240), (24, 3375960), (28, 2893680), (30, 2700768), (32, 2531970), (35, 2314944), (36, 2250640), (40, 2025576), (42, 1929120), (45, 1800512), (48, 1687980), (56, 1446840), (60, 1350384), (63, 1286080), (64, 1265985), (70, 1157472), (72, 1125320), (80, 1012788), (84, 964560), (90, 900256), (96, 843990), (105, 771648), (112, 723420), (120, 675192), (126, 643040), (140, 578736), (144, 562660), (160, 506394), (168, 482280), (180, 450128), (192, 421995), (210, 385824), (224, 361710), (240, 337596), (252, 321520), (280, 289368), (288, 281330), (315, 257216), (320, 253197), (336, 241140), (360, 225064), (420, 192912), (448, 180855), (480, 168798), (504, 160760), (560, 144684), (576, 140665), (630, 128608), (672, 120570), (720, 112532), (840, 96456), (960, 84399), (1008, 80380), (1120, 72342), (1260, 64304), (1344, 60285), (1440, 56266), (1680, 48228), (2016, 40190), (2240, 36171), (2520, 32152), (2880, 28133), (3360, 24114), (4019, 20160), (4032, 20095), (5040, 16076), (6720, 12057), (8038, 10080)]