78668520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:832

約数の個数: 192

約数和(自身を含む): 291055680

約数和(自身を除く): 212387160

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, 49, 51, 56, 60, 68, 70, 84, 85, 98, 102, 105, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 245, 255, 280, 294, 340, 357, 392, 408, 420, 476, 490, 510, 588, 595, 680, 714, 735, 787, 833, 840, 952, 980, 1020, 1176, 1190, 1428, 1470, 1574, 1666, 1785, 1960, 2040, 2361, 2380, 2499, 2856, 2940, 3148, 3332, 3570, 3935, 4165, 4722, 4760, 4998, 5509, 5880, 6296, 6664, 7140, 7870, 8330, 9444, 9996, 11018, 11805, 12495, 13379, 14280, 15740, 16527, 16660, 18888, 19992, 22036, 23610, 24990, 26758, 27545, 31480, 33054, 33320, 38563, 40137, 44072, 47220, 49980, 53516, 55090, 66108, 66895, 77126, 80274, 82635, 93653, 94440, 99960, 107032, 110180, 115689, 132216, 133790, 154252, 160548, 165270, 187306, 192815, 200685, 220360, 231378, 267580, 280959, 308504, 321096, 330540, 374612, 385630, 401370, 462756, 468265, 535160, 561918, 578445, 655571, 661080, 749224, 771260, 802740, 925512, 936530, 1123836, 1156890, 1311142, 1404795, 1542520, 1605480, 1873060, 1966713, 2247672, 2313780, 2622284, 2809590, 3277855, 3746120, 3933426, 4627560, 5244568, 5619180, 6555710, 7866852, 9833565, 11238360, 13111420, 15733704, 19667130, 26222840, 39334260, 78668520]

約数ペア:

[(1, 78668520), (2, 39334260), (3, 26222840), (4, 19667130), (5, 15733704), (6, 13111420), (7, 11238360), (8, 9833565), (10, 7866852), (12, 6555710), (14, 5619180), (15, 5244568), (17, 4627560), (20, 3933426), (21, 3746120), (24, 3277855), (28, 2809590), (30, 2622284), (34, 2313780), (35, 2247672), (40, 1966713), (42, 1873060), (49, 1605480), (51, 1542520), (56, 1404795), (60, 1311142), (68, 1156890), (70, 1123836), (84, 936530), (85, 925512), (98, 802740), (102, 771260), (105, 749224), (119, 661080), (120, 655571), (136, 578445), (140, 561918), (147, 535160), (168, 468265), (170, 462756), (196, 401370), (204, 385630), (210, 374612), (238, 330540), (245, 321096), (255, 308504), (280, 280959), (294, 267580), (340, 231378), (357, 220360), (392, 200685), (408, 192815), (420, 187306), (476, 165270), (490, 160548), (510, 154252), (588, 133790), (595, 132216), (680, 115689), (714, 110180), (735, 107032), (787, 99960), (833, 94440), (840, 93653), (952, 82635), (980, 80274), (1020, 77126), (1176, 66895), (1190, 66108), (1428, 55090), (1470, 53516), (1574, 49980), (1666, 47220), (1785, 44072), (1960, 40137), (2040, 38563), (2361, 33320), (2380, 33054), (2499, 31480), (2856, 27545), (2940, 26758), (3148, 24990), (3332, 23610), (3570, 22036), (3935, 19992), (4165, 18888), (4722, 16660), (4760, 16527), (4998, 15740), (5509, 14280), (5880, 13379), (6296, 12495), (6664, 11805), (7140, 11018), (7870, 9996), (8330, 9444)]