27870990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 83524608

約数和(自身を除く): 55653618

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 37, 42, 51, 70, 74, 85, 102, 105, 111, 119, 170, 185, 210, 211, 222, 238, 255, 259, 357, 370, 422, 510, 518, 555, 595, 629, 633, 714, 777, 1055, 1110, 1190, 1258, 1266, 1295, 1477, 1554, 1785, 1887, 2110, 2590, 2954, 3145, 3165, 3570, 3587, 3774, 3885, 4403, 4431, 6290, 6330, 7174, 7385, 7770, 7807, 8806, 8862, 9435, 10761, 13209, 14770, 15614, 17935, 18870, 21522, 22015, 22155, 23421, 25109, 26418, 35870, 39035, 44030, 44310, 46842, 50218, 53805, 54649, 66045, 75327, 78070, 107610, 109298, 117105, 125545, 132090, 132719, 150654, 163947, 234210, 251090, 265438, 273245, 327894, 376635, 398157, 546490, 663595, 753270, 796314, 819735, 929033, 1327190, 1639470, 1858066, 1990785, 2787099, 3981570, 4645165, 5574198, 9290330, 13935495, 27870990]

約数ペア:

[(1, 27870990), (2, 13935495), (3, 9290330), (5, 5574198), (6, 4645165), (7, 3981570), (10, 2787099), (14, 1990785), (15, 1858066), (17, 1639470), (21, 1327190), (30, 929033), (34, 819735), (35, 796314), (37, 753270), (42, 663595), (51, 546490), (70, 398157), (74, 376635), (85, 327894), (102, 273245), (105, 265438), (111, 251090), (119, 234210), (170, 163947), (185, 150654), (210, 132719), (211, 132090), (222, 125545), (238, 117105), (255, 109298), (259, 107610), (357, 78070), (370, 75327), (422, 66045), (510, 54649), (518, 53805), (555, 50218), (595, 46842), (629, 44310), (633, 44030), (714, 39035), (777, 35870), (1055, 26418), (1110, 25109), (1190, 23421), (1258, 22155), (1266, 22015), (1295, 21522), (1477, 18870), (1554, 17935), (1785, 15614), (1887, 14770), (2110, 13209), (2590, 10761), (2954, 9435), (3145, 8862), (3165, 8806), (3570, 7807), (3587, 7770), (3774, 7385), (3885, 7174), (4403, 6330), (4431, 6290)]