72403870

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 103852130

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 49, 55, 70, 77, 95, 98, 101, 110, 133, 154, 190, 202, 209, 245, 266, 343, 385, 418, 490, 505, 539, 665, 686, 707, 770, 931, 1010, 1045, 1078, 1111, 1330, 1414, 1463, 1715, 1862, 1919, 2090, 2222, 2695, 2926, 3430, 3535, 3773, 3838, 4655, 4949, 5390, 5555, 6517, 7070, 7315, 7546, 7777, 9310, 9595, 9898, 10241, 11110, 13034, 13433, 14630, 15554, 18865, 19190, 20482, 21109, 24745, 26866, 32585, 34643, 37730, 38885, 42218, 49490, 51205, 54439, 65170, 67165, 69286, 71687, 77770, 94031, 102410, 105545, 108878, 134330, 143374, 147763, 173215, 188062, 211090, 272195, 295526, 346430, 358435, 381073, 470155, 544390, 658217, 716870, 738815, 762146, 940310, 1034341, 1316434, 1477630, 1905365, 2068682, 3291085, 3810730, 5171705, 6582170, 7240387, 10343410, 14480774, 36201935, 72403870]

約数ペア:

[(1, 72403870), (2, 36201935), (5, 14480774), (7, 10343410), (10, 7240387), (11, 6582170), (14, 5171705), (19, 3810730), (22, 3291085), (35, 2068682), (38, 1905365), (49, 1477630), (55, 1316434), (70, 1034341), (77, 940310), (95, 762146), (98, 738815), (101, 716870), (110, 658217), (133, 544390), (154, 470155), (190, 381073), (202, 358435), (209, 346430), (245, 295526), (266, 272195), (343, 211090), (385, 188062), (418, 173215), (490, 147763), (505, 143374), (539, 134330), (665, 108878), (686, 105545), (707, 102410), (770, 94031), (931, 77770), (1010, 71687), (1045, 69286), (1078, 67165), (1111, 65170), (1330, 54439), (1414, 51205), (1463, 49490), (1715, 42218), (1862, 38885), (1919, 37730), (2090, 34643), (2222, 32585), (2695, 26866), (2926, 24745), (3430, 21109), (3535, 20482), (3773, 19190), (3838, 18865), (4655, 15554), (4949, 14630), (5390, 13433), (5555, 13034), (6517, 11110), (7070, 10241), (7315, 9898), (7546, 9595), (7777, 9310)]