155481864

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:723

約数の個数: 128

約数和(自身を含む): 447897600

約数和(自身を除く): 292415736

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 31, 34, 38, 51, 57, 62, 68, 76, 93, 102, 114, 124, 136, 152, 186, 204, 228, 248, 323, 372, 408, 456, 527, 589, 646, 647, 744, 969, 1054, 1178, 1292, 1294, 1581, 1767, 1938, 1941, 2108, 2356, 2584, 2588, 3162, 3534, 3876, 3882, 4216, 4712, 5176, 6324, 7068, 7752, 7764, 10013, 10999, 12293, 12648, 14136, 15528, 20026, 20057, 21998, 24586, 30039, 32997, 36879, 40052, 40114, 43996, 49172, 60078, 60171, 65994, 73758, 80104, 80228, 87992, 98344, 120156, 120342, 131988, 147516, 160456, 208981, 240312, 240684, 263976, 295032, 340969, 381083, 417962, 481368, 626943, 681938, 762166, 835924, 1022907, 1143249, 1253886, 1363876, 1524332, 1671848, 2045814, 2286498, 2507772, 2727752, 3048664, 4091628, 4572996, 5015544, 6478411, 8183256, 9145992, 12956822, 19435233, 25913644, 38870466, 51827288, 77740932, 155481864]

約数ペア:

[(1, 155481864), (2, 77740932), (3, 51827288), (4, 38870466), (6, 25913644), (8, 19435233), (12, 12956822), (17, 9145992), (19, 8183256), (24, 6478411), (31, 5015544), (34, 4572996), (38, 4091628), (51, 3048664), (57, 2727752), (62, 2507772), (68, 2286498), (76, 2045814), (93, 1671848), (102, 1524332), (114, 1363876), (124, 1253886), (136, 1143249), (152, 1022907), (186, 835924), (204, 762166), (228, 681938), (248, 626943), (323, 481368), (372, 417962), (408, 381083), (456, 340969), (527, 295032), (589, 263976), (646, 240684), (647, 240312), (744, 208981), (969, 160456), (1054, 147516), (1178, 131988), (1292, 120342), (1294, 120156), (1581, 98344), (1767, 87992), (1938, 80228), (1941, 80104), (2108, 73758), (2356, 65994), (2584, 60171), (2588, 60078), (3162, 49172), (3534, 43996), (3876, 40114), (3882, 40052), (4216, 36879), (4712, 32997), (5176, 30039), (6324, 24586), (7068, 21998), (7752, 20057), (7764, 20026), (10013, 15528), (10999, 14136), (12293, 12648)]