280502016

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 804518400

約数和(自身を除く): 524016384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 47, 48, 57, 64, 76, 94, 96, 114, 128, 141, 152, 188, 192, 228, 256, 282, 304, 376, 384, 409, 456, 564, 608, 752, 768, 818, 893, 912, 1128, 1216, 1227, 1504, 1636, 1786, 1824, 2256, 2432, 2454, 2679, 3008, 3272, 3572, 3648, 4512, 4864, 4908, 5358, 6016, 6544, 7144, 7296, 7771, 9024, 9816, 10716, 12032, 13088, 14288, 14592, 15542, 18048, 19223, 19632, 21432, 23313, 26176, 28576, 31084, 36096, 38446, 39264, 42864, 46626, 52352, 57152, 57669, 62168, 76892, 78528, 85728, 93252, 104704, 114304, 115338, 124336, 153784, 157056, 171456, 186504, 228608, 230676, 248672, 307568, 314112, 342912, 365237, 373008, 461352, 497344, 615136, 685824, 730474, 746016, 922704, 994688, 1095711, 1230272, 1460948, 1492032, 1845408, 1989376, 2191422, 2460544, 2921896, 2984064, 3690816, 4382844, 4921088, 5843792, 5968128, 7381632, 8765688, 11687584, 14763264, 17531376, 23375168, 35062752, 46750336, 70125504, 93500672, 140251008, 280502016]

約数ペア:

[(1, 280502016), (2, 140251008), (3, 93500672), (4, 70125504), (6, 46750336), (8, 35062752), (12, 23375168), (16, 17531376), (19, 14763264), (24, 11687584), (32, 8765688), (38, 7381632), (47, 5968128), (48, 5843792), (57, 4921088), (64, 4382844), (76, 3690816), (94, 2984064), (96, 2921896), (114, 2460544), (128, 2191422), (141, 1989376), (152, 1845408), (188, 1492032), (192, 1460948), (228, 1230272), (256, 1095711), (282, 994688), (304, 922704), (376, 746016), (384, 730474), (409, 685824), (456, 615136), (564, 497344), (608, 461352), (752, 373008), (768, 365237), (818, 342912), (893, 314112), (912, 307568), (1128, 248672), (1216, 230676), (1227, 228608), (1504, 186504), (1636, 171456), (1786, 157056), (1824, 153784), (2256, 124336), (2432, 115338), (2454, 114304), (2679, 104704), (3008, 93252), (3272, 85728), (3572, 78528), (3648, 76892), (4512, 62168), (4864, 57669), (4908, 57152), (5358, 52352), (6016, 46626), (6544, 42864), (7144, 39264), (7296, 38446), (7771, 36096), (9024, 31084), (9816, 28576), (10716, 26176), (12032, 23313), (13088, 21432), (14288, 19632), (14592, 19223), (15542, 18048)]