257708304

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:604

約数の個数: 240

約数和(自身を含む): 906691968

約数和(自身を除く): 648983664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 81, 84, 102, 108, 112, 119, 126, 136, 144, 153, 162, 168, 189, 204, 216, 238, 243, 252, 272, 306, 324, 336, 357, 378, 408, 432, 459, 476, 486, 504, 557, 567, 612, 648, 714, 756, 816, 918, 952, 972, 1008, 1071, 1114, 1134, 1224, 1296, 1377, 1428, 1512, 1671, 1701, 1836, 1904, 1944, 2142, 2228, 2268, 2448, 2754, 2856, 3024, 3213, 3342, 3402, 3672, 3888, 3899, 4131, 4284, 4456, 4536, 5013, 5508, 5712, 6426, 6684, 6804, 7344, 7798, 8262, 8568, 8912, 9072, 9469, 9639, 10026, 11016, 11697, 12852, 13368, 13608, 15039, 15596, 16524, 17136, 18938, 19278, 20052, 22032, 23394, 25704, 26736, 27216, 28407, 28917, 30078, 31192, 33048, 35091, 37876, 38556, 40104, 45117, 46788, 51408, 56814, 57834, 60156, 62384, 66096, 66283, 70182, 75752, 77112, 80208, 85221, 90234, 93576, 105273, 113628, 115668, 120312, 132566, 135351, 140364, 151504, 154224, 170442, 180468, 187152, 198849, 210546, 227256, 231336, 240624, 255663, 265132, 270702, 280728, 315819, 340884, 360936, 397698, 421092, 454512, 462672, 511326, 530264, 541404, 561456, 596547, 631638, 681768, 721872, 766989, 795396, 842184, 947457, 1022652, 1060528, 1082808, 1193094, 1263276, 1363536, 1533978, 1590792, 1684368, 1789641, 1894914, 2045304, 2165616, 2300967, 2386188, 2526552, 3067956, 3181584, 3579282, 3789828, 4090608, 4601934, 4772376, 5053104, 5368923, 6135912, 7158564, 7579656, 9203868, 9544752, 10737846, 12271824, 14317128, 15159312, 16106769, 18407736, 21475692, 28634256, 32213538, 36815472, 42951384, 64427076, 85902768, 128854152, 257708304]

約数ペア:

[(1, 257708304), (2, 128854152), (3, 85902768), (4, 64427076), (6, 42951384), (7, 36815472), (8, 32213538), (9, 28634256), (12, 21475692), (14, 18407736), (16, 16106769), (17, 15159312), (18, 14317128), (21, 12271824), (24, 10737846), (27, 9544752), (28, 9203868), (34, 7579656), (36, 7158564), (42, 6135912), (48, 5368923), (51, 5053104), (54, 4772376), (56, 4601934), (63, 4090608), (68, 3789828), (72, 3579282), (81, 3181584), (84, 3067956), (102, 2526552), (108, 2386188), (112, 2300967), (119, 2165616), (126, 2045304), (136, 1894914), (144, 1789641), (153, 1684368), (162, 1590792), (168, 1533978), (189, 1363536), (204, 1263276), (216, 1193094), (238, 1082808), (243, 1060528), (252, 1022652), (272, 947457), (306, 842184), (324, 795396), (336, 766989), (357, 721872), (378, 681768), (408, 631638), (432, 596547), (459, 561456), (476, 541404), (486, 530264), (504, 511326), (557, 462672), (567, 454512), (612, 421092), (648, 397698), (714, 360936), (756, 340884), (816, 315819), (918, 280728), (952, 270702), (972, 265132), (1008, 255663), (1071, 240624), (1114, 231336), (1134, 227256), (1224, 210546), (1296, 198849), (1377, 187152), (1428, 180468), (1512, 170442), (1671, 154224), (1701, 151504), (1836, 140364), (1904, 135351), (1944, 132566), (2142, 120312), (2228, 115668), (2268, 113628), (2448, 105273), (2754, 93576), (2856, 90234), (3024, 85221), (3213, 80208), (3342, 77112), (3402, 75752), (3672, 70182), (3888, 66283), (3899, 66096), (4131, 62384), (4284, 60156), (4456, 57834), (4536, 56814), (5013, 51408), (5508, 46788), (5712, 45117), (6426, 40104), (6684, 38556), (6804, 37876), (7344, 35091), (7798, 33048), (8262, 31192), (8568, 30078), (8912, 28917), (9072, 28407), (9469, 27216), (9639, 26736), (10026, 25704), (11016, 23394), (11697, 22032), (12852, 20052), (13368, 19278), (13608, 18938), (15039, 17136), (15596, 16524)]