78517404

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 144

約数和(自身を含む): 243804960

約数和(自身を除く): 165287556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 49, 54, 63, 74, 84, 98, 108, 111, 126, 147, 148, 189, 196, 222, 252, 259, 294, 333, 378, 401, 441, 444, 518, 588, 666, 756, 777, 802, 882, 999, 1036, 1203, 1323, 1332, 1554, 1604, 1764, 1813, 1998, 2331, 2406, 2646, 2807, 3108, 3609, 3626, 3996, 4662, 4812, 5292, 5439, 5614, 6993, 7218, 7252, 8421, 9324, 10827, 10878, 11228, 13986, 14436, 14837, 16317, 16842, 19649, 21654, 21756, 25263, 27972, 29674, 32634, 33684, 39298, 43308, 44511, 48951, 50526, 58947, 59348, 65268, 75789, 78596, 89022, 97902, 101052, 103859, 117894, 133533, 151578, 176841, 178044, 195804, 207718, 235788, 267066, 303156, 311577, 353682, 400599, 415436, 530523, 534132, 623154, 707364, 727013, 801198, 934731, 1061046, 1246308, 1454026, 1602396, 1869462, 2122092, 2181039, 2804193, 2908052, 3738924, 4362078, 5608386, 6543117, 8724156, 11216772, 13086234, 19629351, 26172468, 39258702, 78517404]

約数ペア:

[(1, 78517404), (2, 39258702), (3, 26172468), (4, 19629351), (6, 13086234), (7, 11216772), (9, 8724156), (12, 6543117), (14, 5608386), (18, 4362078), (21, 3738924), (27, 2908052), (28, 2804193), (36, 2181039), (37, 2122092), (42, 1869462), (49, 1602396), (54, 1454026), (63, 1246308), (74, 1061046), (84, 934731), (98, 801198), (108, 727013), (111, 707364), (126, 623154), (147, 534132), (148, 530523), (189, 415436), (196, 400599), (222, 353682), (252, 311577), (259, 303156), (294, 267066), (333, 235788), (378, 207718), (401, 195804), (441, 178044), (444, 176841), (518, 151578), (588, 133533), (666, 117894), (756, 103859), (777, 101052), (802, 97902), (882, 89022), (999, 78596), (1036, 75789), (1203, 65268), (1323, 59348), (1332, 58947), (1554, 50526), (1604, 48951), (1764, 44511), (1813, 43308), (1998, 39298), (2331, 33684), (2406, 32634), (2646, 29674), (2807, 27972), (3108, 25263), (3609, 21756), (3626, 21654), (3996, 19649), (4662, 16842), (4812, 16317), (5292, 14837), (5439, 14436), (5614, 13986), (6993, 11228), (7218, 10878), (7252, 10827), (8421, 9324)]