78811320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5519}}^1$

素因数の和:5557

約数の個数: 128

約数和(自身を含む): 286156800

約数和(自身を除く): 207345480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 5519, 7140, 11038, 14280, 16557, 22076, 27595, 33114, 38633, 44152, 55190, 66228, 77266, 82785, 93823, 110380, 115899, 132456, 154532, 165570, 187646, 193165, 220760, 231798, 281469, 309064, 331140, 375292, 386330, 463596, 469115, 562938, 579495, 656761, 662280, 750584, 772660, 927192, 938230, 1125876, 1158990, 1313522, 1407345, 1545320, 1876460, 1970283, 2251752, 2317980, 2627044, 2814690, 3283805, 3752920, 3940566, 4635960, 5254088, 5629380, 6567610, 7881132, 9851415, 11258760, 13135220, 15762264, 19702830, 26270440, 39405660, 78811320]

約数ペア:

[(1, 78811320), (2, 39405660), (3, 26270440), (4, 19702830), (5, 15762264), (6, 13135220), (7, 11258760), (8, 9851415), (10, 7881132), (12, 6567610), (14, 5629380), (15, 5254088), (17, 4635960), (20, 3940566), (21, 3752920), (24, 3283805), (28, 2814690), (30, 2627044), (34, 2317980), (35, 2251752), (40, 1970283), (42, 1876460), (51, 1545320), (56, 1407345), (60, 1313522), (68, 1158990), (70, 1125876), (84, 938230), (85, 927192), (102, 772660), (105, 750584), (119, 662280), (120, 656761), (136, 579495), (140, 562938), (168, 469115), (170, 463596), (204, 386330), (210, 375292), (238, 331140), (255, 309064), (280, 281469), (340, 231798), (357, 220760), (408, 193165), (420, 187646), (476, 165570), (510, 154532), (595, 132456), (680, 115899), (714, 110380), (840, 93823), (952, 82785), (1020, 77266), (1190, 66228), (1428, 55190), (1785, 44152), (2040, 38633), (2380, 33114), (2856, 27595), (3570, 22076), (4760, 16557), (5519, 14280), (7140, 11038)]