81269650

素因数分解:

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

素因数の和:161

約数の個数: 144

約数和(自身を含む): 201862080

約数和(自身を除く): 120592430

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 25, 35, 38, 50, 55, 70, 77, 95, 101, 110, 121, 133, 154, 175, 190, 202, 209, 242, 266, 275, 350, 385, 418, 475, 505, 550, 605, 665, 707, 770, 847, 950, 1010, 1045, 1111, 1210, 1330, 1414, 1463, 1694, 1919, 1925, 2090, 2222, 2299, 2525, 2926, 3025, 3325, 3535, 3838, 3850, 4235, 4598, 5050, 5225, 5555, 6050, 6650, 7070, 7315, 7777, 8470, 9595, 10450, 11110, 11495, 12221, 13433, 14630, 15554, 16093, 17675, 19190, 21109, 21175, 22990, 24442, 26866, 27775, 32186, 35350, 36575, 38885, 42218, 42350, 47975, 55550, 57475, 61105, 67165, 73150, 77770, 80465, 85547, 95950, 105545, 114950, 122210, 134330, 147763, 160930, 171094, 194425, 211090, 232199, 295526, 305525, 335825, 388850, 402325, 427735, 464398, 527725, 611050, 671650, 738815, 804650, 855470, 1055450, 1160995, 1477630, 1625393, 2138675, 2321990, 3250786, 3694075, 4277350, 5804975, 7388150, 8126965, 11609950, 16253930, 40634825, 81269650]

約数ペア:

[(1, 81269650), (2, 40634825), (5, 16253930), (7, 11609950), (10, 8126965), (11, 7388150), (14, 5804975), (19, 4277350), (22, 3694075), (25, 3250786), (35, 2321990), (38, 2138675), (50, 1625393), (55, 1477630), (70, 1160995), (77, 1055450), (95, 855470), (101, 804650), (110, 738815), (121, 671650), (133, 611050), (154, 527725), (175, 464398), (190, 427735), (202, 402325), (209, 388850), (242, 335825), (266, 305525), (275, 295526), (350, 232199), (385, 211090), (418, 194425), (475, 171094), (505, 160930), (550, 147763), (605, 134330), (665, 122210), (707, 114950), (770, 105545), (847, 95950), (950, 85547), (1010, 80465), (1045, 77770), (1111, 73150), (1210, 67165), (1330, 61105), (1414, 57475), (1463, 55550), (1694, 47975), (1919, 42350), (1925, 42218), (2090, 38885), (2222, 36575), (2299, 35350), (2525, 32186), (2926, 27775), (3025, 26866), (3325, 24442), (3535, 22990), (3838, 21175), (3850, 21109), (4235, 19190), (4598, 17675), (5050, 16093), (5225, 15554), (5555, 14630), (6050, 13433), (6650, 12221), (7070, 11495), (7315, 11110), (7777, 10450), (8470, 9595)]