256184520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15583}}^1$

素因数の和:15734

約数の個数: 64

約数和(自身を含む): 774213120

約数和(自身を除く): 518028600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2740, 3288, 4110, 5480, 8220, 15583, 16440, 31166, 46749, 62332, 77915, 93498, 124664, 155830, 186996, 233745, 311660, 373992, 467490, 623320, 934980, 1869960, 2134871, 4269742, 6404613, 8539484, 10674355, 12809226, 17078968, 21348710, 25618452, 32023065, 42697420, 51236904, 64046130, 85394840, 128092260, 256184520]

約数ペア:

[(1, 256184520), (2, 128092260), (3, 85394840), (4, 64046130), (5, 51236904), (6, 42697420), (8, 32023065), (10, 25618452), (12, 21348710), (15, 17078968), (20, 12809226), (24, 10674355), (30, 8539484), (40, 6404613), (60, 4269742), (120, 2134871), (137, 1869960), (274, 934980), (411, 623320), (548, 467490), (685, 373992), (822, 311660), (1096, 233745), (1370, 186996), (1644, 155830), (2055, 124664), (2740, 93498), (3288, 77915), (4110, 62332), (5480, 46749), (8220, 31166), (15583, 16440)]