80887380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 269243520

約数和(自身を除く): 188356140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 229, 290, 348, 406, 420, 435, 458, 580, 609, 687, 812, 841, 870, 916, 1015, 1145, 1218, 1374, 1603, 1682, 1740, 2030, 2290, 2436, 2523, 2748, 3045, 3206, 3364, 3435, 4060, 4205, 4580, 4809, 5046, 5887, 6090, 6412, 6641, 6870, 8015, 8410, 9618, 10092, 11774, 12180, 12615, 13282, 13740, 16030, 16820, 17661, 19236, 19923, 23548, 24045, 25230, 26564, 29435, 32060, 33205, 35322, 39846, 46487, 48090, 50460, 58870, 66410, 70644, 79692, 88305, 92974, 96180, 99615, 117740, 132820, 139461, 176610, 185948, 192589, 199230, 232435, 278922, 353220, 385178, 398460, 464870, 557844, 577767, 697305, 770356, 929740, 962945, 1155534, 1348123, 1394610, 1925890, 2311068, 2696246, 2789220, 2888835, 3851780, 4044369, 5392492, 5777670, 6740615, 8088738, 11555340, 13481230, 16177476, 20221845, 26962460, 40443690, 80887380]

約数ペア:

[(1, 80887380), (2, 40443690), (3, 26962460), (4, 20221845), (5, 16177476), (6, 13481230), (7, 11555340), (10, 8088738), (12, 6740615), (14, 5777670), (15, 5392492), (20, 4044369), (21, 3851780), (28, 2888835), (29, 2789220), (30, 2696246), (35, 2311068), (42, 1925890), (58, 1394610), (60, 1348123), (70, 1155534), (84, 962945), (87, 929740), (105, 770356), (116, 697305), (140, 577767), (145, 557844), (174, 464870), (203, 398460), (210, 385178), (229, 353220), (290, 278922), (348, 232435), (406, 199230), (420, 192589), (435, 185948), (458, 176610), (580, 139461), (609, 132820), (687, 117740), (812, 99615), (841, 96180), (870, 92974), (916, 88305), (1015, 79692), (1145, 70644), (1218, 66410), (1374, 58870), (1603, 50460), (1682, 48090), (1740, 46487), (2030, 39846), (2290, 35322), (2436, 33205), (2523, 32060), (2748, 29435), (3045, 26564), (3206, 25230), (3364, 24045), (3435, 23548), (4060, 19923), (4205, 19236), (4580, 17661), (4809, 16820), (5046, 16030), (5887, 13740), (6090, 13282), (6412, 12615), (6641, 12180), (6870, 11774), (8015, 10092), (8410, 9618)]