281242080

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{27901}}^1$

素因数の和:27929

約数の個数: 144

約数和(自身を含む): 1096883424

約数和(自身を除く): 815641344

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 27901, 55802, 83703, 111604, 139505, 167406, 195307, 223208, 251109, 279010, 334812, 390614, 418515, 446416, 502218, 558020, 585921, 669624, 781228, 837030, 892832, 976535, 1004436, 1116040, 1171842, 1255545, 1339248, 1562456, 1674060, 1757763, 1953070, 2008872, 2232080, 2343684, 2511090, 2678496, 2929605, 3124912, 3348120, 3515526, 3906140, 4017744, 4464160, 4687368, 5022180, 5859210, 6249824, 6696240, 7031052, 7812280, 8035488, 8788815, 9374736, 10044360, 11718420, 13392480, 14062104, 15624560, 17577630, 18749472, 20088720, 23436840, 28124208, 31249120, 35155260, 40177440, 46873680, 56248416, 70310520, 93747360, 140621040, 281242080]

約数ペア:

[(1, 281242080), (2, 140621040), (3, 93747360), (4, 70310520), (5, 56248416), (6, 46873680), (7, 40177440), (8, 35155260), (9, 31249120), (10, 28124208), (12, 23436840), (14, 20088720), (15, 18749472), (16, 17577630), (18, 15624560), (20, 14062104), (21, 13392480), (24, 11718420), (28, 10044360), (30, 9374736), (32, 8788815), (35, 8035488), (36, 7812280), (40, 7031052), (42, 6696240), (45, 6249824), (48, 5859210), (56, 5022180), (60, 4687368), (63, 4464160), (70, 4017744), (72, 3906140), (80, 3515526), (84, 3348120), (90, 3124912), (96, 2929605), (105, 2678496), (112, 2511090), (120, 2343684), (126, 2232080), (140, 2008872), (144, 1953070), (160, 1757763), (168, 1674060), (180, 1562456), (210, 1339248), (224, 1255545), (240, 1171842), (252, 1116040), (280, 1004436), (288, 976535), (315, 892832), (336, 837030), (360, 781228), (420, 669624), (480, 585921), (504, 558020), (560, 502218), (630, 446416), (672, 418515), (720, 390614), (840, 334812), (1008, 279010), (1120, 251109), (1260, 223208), (1440, 195307), (1680, 167406), (2016, 139505), (2520, 111604), (3360, 83703), (5040, 55802), (10080, 27901)]