256045368

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 709632000

約数和(自身を除く): 453586632

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 59, 62, 76, 93, 114, 118, 124, 152, 177, 186, 228, 236, 248, 307, 354, 372, 456, 472, 589, 614, 708, 744, 921, 1121, 1178, 1228, 1416, 1767, 1829, 1842, 2242, 2356, 2456, 3363, 3534, 3658, 3684, 4484, 4712, 5487, 5833, 6726, 7068, 7316, 7368, 8968, 9517, 10974, 11666, 13452, 14136, 14632, 17499, 18113, 19034, 21948, 23332, 26904, 28551, 34751, 34998, 36226, 38068, 43896, 46664, 54339, 57102, 69502, 69996, 72452, 76136, 104253, 108678, 114204, 139004, 139992, 144904, 180823, 208506, 217356, 228408, 278008, 344147, 361646, 417012, 434712, 542469, 561503, 688294, 723292, 834024, 1032441, 1084938, 1123006, 1376588, 1446584, 1684509, 2064882, 2169876, 2246012, 2753176, 3369018, 4129764, 4339752, 4492024, 6738036, 8259528, 10668557, 13476072, 21337114, 32005671, 42674228, 64011342, 85348456, 128022684, 256045368]

約数ペア:

[(1, 256045368), (2, 128022684), (3, 85348456), (4, 64011342), (6, 42674228), (8, 32005671), (12, 21337114), (19, 13476072), (24, 10668557), (31, 8259528), (38, 6738036), (57, 4492024), (59, 4339752), (62, 4129764), (76, 3369018), (93, 2753176), (114, 2246012), (118, 2169876), (124, 2064882), (152, 1684509), (177, 1446584), (186, 1376588), (228, 1123006), (236, 1084938), (248, 1032441), (307, 834024), (354, 723292), (372, 688294), (456, 561503), (472, 542469), (589, 434712), (614, 417012), (708, 361646), (744, 344147), (921, 278008), (1121, 228408), (1178, 217356), (1228, 208506), (1416, 180823), (1767, 144904), (1829, 139992), (1842, 139004), (2242, 114204), (2356, 108678), (2456, 104253), (3363, 76136), (3534, 72452), (3658, 69996), (3684, 69502), (4484, 57102), (4712, 54339), (5487, 46664), (5833, 43896), (6726, 38068), (7068, 36226), (7316, 34998), (7368, 34751), (8968, 28551), (9517, 26904), (10974, 23332), (11666, 21948), (13452, 19034), (14136, 18113), (14632, 17499)]