261176736

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 750708000

約数和(自身を除く): 489531264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 76, 93, 96, 114, 124, 149, 152, 186, 228, 248, 298, 304, 372, 447, 456, 496, 589, 596, 608, 744, 894, 912, 961, 992, 1178, 1192, 1488, 1767, 1788, 1824, 1922, 2356, 2384, 2831, 2883, 2976, 3534, 3576, 3844, 4619, 4712, 4768, 5662, 5766, 7068, 7152, 7688, 8493, 9238, 9424, 11324, 11532, 13857, 14136, 14304, 15376, 16986, 18259, 18476, 18848, 22648, 23064, 27714, 28272, 30752, 33972, 36518, 36952, 45296, 46128, 54777, 55428, 56544, 67944, 73036, 73904, 87761, 90592, 92256, 109554, 110856, 135888, 143189, 146072, 147808, 175522, 219108, 221712, 263283, 271776, 286378, 292144, 351044, 429567, 438216, 443424, 526566, 572756, 584288, 702088, 859134, 876432, 1053132, 1145512, 1404176, 1718268, 1752864, 2106264, 2291024, 2720591, 2808352, 3436536, 4212528, 4582048, 5441182, 6873072, 8161773, 8425056, 10882364, 13746144, 16323546, 21764728, 32647092, 43529456, 65294184, 87058912, 130588368, 261176736]

約数ペア:

[(1, 261176736), (2, 130588368), (3, 87058912), (4, 65294184), (6, 43529456), (8, 32647092), (12, 21764728), (16, 16323546), (19, 13746144), (24, 10882364), (31, 8425056), (32, 8161773), (38, 6873072), (48, 5441182), (57, 4582048), (62, 4212528), (76, 3436536), (93, 2808352), (96, 2720591), (114, 2291024), (124, 2106264), (149, 1752864), (152, 1718268), (186, 1404176), (228, 1145512), (248, 1053132), (298, 876432), (304, 859134), (372, 702088), (447, 584288), (456, 572756), (496, 526566), (589, 443424), (596, 438216), (608, 429567), (744, 351044), (894, 292144), (912, 286378), (961, 271776), (992, 263283), (1178, 221712), (1192, 219108), (1488, 175522), (1767, 147808), (1788, 146072), (1824, 143189), (1922, 135888), (2356, 110856), (2384, 109554), (2831, 92256), (2883, 90592), (2976, 87761), (3534, 73904), (3576, 73036), (3844, 67944), (4619, 56544), (4712, 55428), (4768, 54777), (5662, 46128), (5766, 45296), (7068, 36952), (7152, 36518), (7688, 33972), (8493, 30752), (9238, 28272), (9424, 27714), (11324, 23064), (11532, 22648), (13857, 18848), (14136, 18476), (14304, 18259), (15376, 16986)]