80781120

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{4007}}^1$

素因数の和:4037

約数の個数: 168

約数和(自身を含む): 317625984

約数和(自身を除く): 236844864

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, 4007, 4032, 5040, 6720, 8014, 10080, 12021, 16028, 20035, 20160, 24042, 28049, 32056, 36063, 40070, 48084, 56098, 60105, 64112, 72126, 80140, 84147, 96168, 112196, 120210, 128224, 140245, 144252, 160280, 168294, 180315, 192336, 224392, 240420, 252441, 256448, 280490, 288504, 320560, 336588, 360630, 384672, 420735, 448784, 480840, 504882, 560980, 577008, 641120, 673176, 721260, 769344, 841470, 897568, 961680, 1009764, 1121960, 1154016, 1262205, 1282240, 1346352, 1442520, 1682940, 1795136, 1923360, 2019528, 2243920, 2308032, 2524410, 2692704, 2885040, 3365880, 3846720, 4039056, 4487840, 5048820, 5385408, 5770080, 6731760, 8078112, 8975680, 10097640, 11540160, 13463520, 16156224, 20195280, 26927040, 40390560, 80781120]

約数ペア:

[(1, 80781120), (2, 40390560), (3, 26927040), (4, 20195280), (5, 16156224), (6, 13463520), (7, 11540160), (8, 10097640), (9, 8975680), (10, 8078112), (12, 6731760), (14, 5770080), (15, 5385408), (16, 5048820), (18, 4487840), (20, 4039056), (21, 3846720), (24, 3365880), (28, 2885040), (30, 2692704), (32, 2524410), (35, 2308032), (36, 2243920), (40, 2019528), (42, 1923360), (45, 1795136), (48, 1682940), (56, 1442520), (60, 1346352), (63, 1282240), (64, 1262205), (70, 1154016), (72, 1121960), (80, 1009764), (84, 961680), (90, 897568), (96, 841470), (105, 769344), (112, 721260), (120, 673176), (126, 641120), (140, 577008), (144, 560980), (160, 504882), (168, 480840), (180, 448784), (192, 420735), (210, 384672), (224, 360630), (240, 336588), (252, 320560), (280, 288504), (288, 280490), (315, 256448), (320, 252441), (336, 240420), (360, 224392), (420, 192336), (448, 180315), (480, 168294), (504, 160280), (560, 144252), (576, 140245), (630, 128224), (672, 120210), (720, 112196), (840, 96168), (960, 84147), (1008, 80140), (1120, 72126), (1260, 64112), (1344, 60105), (1440, 56098), (1680, 48084), (2016, 40070), (2240, 36063), (2520, 32056), (2880, 28049), (3360, 24042), (4007, 20160), (4032, 20035), (5040, 16028), (6720, 12021), (8014, 10080)]