77401680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 259054848

約数和(自身を除く): 181653168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 61, 68, 80, 85, 102, 120, 122, 136, 170, 183, 204, 240, 244, 255, 272, 305, 311, 340, 366, 408, 488, 510, 610, 622, 680, 732, 816, 915, 933, 976, 1020, 1037, 1220, 1244, 1360, 1464, 1555, 1830, 1866, 2040, 2074, 2440, 2488, 2928, 3110, 3111, 3660, 3732, 4080, 4148, 4665, 4880, 4976, 5185, 5287, 6220, 6222, 7320, 7464, 8296, 9330, 10370, 10574, 12440, 12444, 14640, 14928, 15555, 15861, 16592, 18660, 18971, 20740, 21148, 24880, 24888, 26435, 31110, 31722, 37320, 37942, 41480, 42296, 49776, 52870, 56913, 62220, 63444, 74640, 75884, 79305, 82960, 84592, 94855, 105740, 113826, 124440, 126888, 151768, 158610, 189710, 211480, 227652, 248880, 253776, 284565, 303536, 317220, 322507, 379420, 422960, 455304, 569130, 634440, 645014, 758840, 910608, 967521, 1138260, 1268880, 1290028, 1517680, 1612535, 1935042, 2276520, 2580056, 3225070, 3870084, 4553040, 4837605, 5160112, 6450140, 7740168, 9675210, 12900280, 15480336, 19350420, 25800560, 38700840, 77401680]

約数ペア:

[(1, 77401680), (2, 38700840), (3, 25800560), (4, 19350420), (5, 15480336), (6, 12900280), (8, 9675210), (10, 7740168), (12, 6450140), (15, 5160112), (16, 4837605), (17, 4553040), (20, 3870084), (24, 3225070), (30, 2580056), (34, 2276520), (40, 1935042), (48, 1612535), (51, 1517680), (60, 1290028), (61, 1268880), (68, 1138260), (80, 967521), (85, 910608), (102, 758840), (120, 645014), (122, 634440), (136, 569130), (170, 455304), (183, 422960), (204, 379420), (240, 322507), (244, 317220), (255, 303536), (272, 284565), (305, 253776), (311, 248880), (340, 227652), (366, 211480), (408, 189710), (488, 158610), (510, 151768), (610, 126888), (622, 124440), (680, 113826), (732, 105740), (816, 94855), (915, 84592), (933, 82960), (976, 79305), (1020, 75884), (1037, 74640), (1220, 63444), (1244, 62220), (1360, 56913), (1464, 52870), (1555, 49776), (1830, 42296), (1866, 41480), (2040, 37942), (2074, 37320), (2440, 31722), (2488, 31110), (2928, 26435), (3110, 24888), (3111, 24880), (3660, 21148), (3732, 20740), (4080, 18971), (4148, 18660), (4665, 16592), (4880, 15861), (4976, 15555), (5185, 14928), (5287, 14640), (6220, 12444), (6222, 12440), (7320, 10574), (7464, 10370), (8296, 9330)]