281967360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:878

約数の個数: 144

約数和(自身を含む): 911018976

約数和(自身を除く): 629051616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 120, 128, 160, 192, 194, 240, 256, 291, 320, 384, 388, 480, 485, 582, 640, 757, 768, 776, 960, 970, 1164, 1280, 1455, 1514, 1552, 1920, 1940, 2271, 2328, 2910, 3028, 3104, 3785, 3840, 3880, 4542, 4656, 5820, 6056, 6208, 7570, 7760, 9084, 9312, 11355, 11640, 12112, 12416, 15140, 15520, 18168, 18624, 22710, 23280, 24224, 24832, 30280, 31040, 36336, 37248, 45420, 46560, 48448, 60560, 62080, 72672, 73429, 74496, 90840, 93120, 96896, 121120, 124160, 145344, 146858, 181680, 186240, 193792, 220287, 242240, 290688, 293716, 363360, 367145, 372480, 440574, 484480, 581376, 587432, 726720, 734290, 881148, 968960, 1101435, 1174864, 1453440, 1468580, 1762296, 2202870, 2349728, 2906880, 2937160, 3524592, 4405740, 4699456, 5874320, 7049184, 8811480, 9398912, 11748640, 14098368, 17622960, 18797824, 23497280, 28196736, 35245920, 46994560, 56393472, 70491840, 93989120, 140983680, 281967360]

約数ペア:

[(1, 281967360), (2, 140983680), (3, 93989120), (4, 70491840), (5, 56393472), (6, 46994560), (8, 35245920), (10, 28196736), (12, 23497280), (15, 18797824), (16, 17622960), (20, 14098368), (24, 11748640), (30, 9398912), (32, 8811480), (40, 7049184), (48, 5874320), (60, 4699456), (64, 4405740), (80, 3524592), (96, 2937160), (97, 2906880), (120, 2349728), (128, 2202870), (160, 1762296), (192, 1468580), (194, 1453440), (240, 1174864), (256, 1101435), (291, 968960), (320, 881148), (384, 734290), (388, 726720), (480, 587432), (485, 581376), (582, 484480), (640, 440574), (757, 372480), (768, 367145), (776, 363360), (960, 293716), (970, 290688), (1164, 242240), (1280, 220287), (1455, 193792), (1514, 186240), (1552, 181680), (1920, 146858), (1940, 145344), (2271, 124160), (2328, 121120), (2910, 96896), (3028, 93120), (3104, 90840), (3785, 74496), (3840, 73429), (3880, 72672), (4542, 62080), (4656, 60560), (5820, 48448), (6056, 46560), (6208, 45420), (7570, 37248), (7760, 36336), (9084, 31040), (9312, 30280), (11355, 24832), (11640, 24224), (12112, 23280), (12416, 22710), (15140, 18624), (15520, 18168)]