255665280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10243}}^1$

素因数の和:10278

約数の個数: 128

約数和(自身を含む): 877705920

約数和(自身を除く): 622040640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 10243, 12480, 20486, 24960, 30729, 40972, 51215, 61458, 81944, 102430, 122916, 133159, 153645, 163888, 204860, 245832, 266318, 307290, 327776, 399477, 409720, 491664, 532636, 614580, 655552, 665795, 798954, 819440, 983328, 1065272, 1229160, 1311104, 1331590, 1597908, 1638880, 1966656, 1997385, 2130544, 2458320, 2663180, 3195816, 3277760, 3933312, 3994770, 4261088, 4916640, 5326360, 6391632, 6555520, 7989540, 8522176, 9833280, 10652720, 12783264, 15979080, 17044352, 19666560, 21305440, 25566528, 31958160, 42610880, 51133056, 63916320, 85221760, 127832640, 255665280]

約数ペア:

[(1, 255665280), (2, 127832640), (3, 85221760), (4, 63916320), (5, 51133056), (6, 42610880), (8, 31958160), (10, 25566528), (12, 21305440), (13, 19666560), (15, 17044352), (16, 15979080), (20, 12783264), (24, 10652720), (26, 9833280), (30, 8522176), (32, 7989540), (39, 6555520), (40, 6391632), (48, 5326360), (52, 4916640), (60, 4261088), (64, 3994770), (65, 3933312), (78, 3277760), (80, 3195816), (96, 2663180), (104, 2458320), (120, 2130544), (128, 1997385), (130, 1966656), (156, 1638880), (160, 1597908), (192, 1331590), (195, 1311104), (208, 1229160), (240, 1065272), (260, 983328), (312, 819440), (320, 798954), (384, 665795), (390, 655552), (416, 614580), (480, 532636), (520, 491664), (624, 409720), (640, 399477), (780, 327776), (832, 307290), (960, 266318), (1040, 245832), (1248, 204860), (1560, 163888), (1664, 153645), (1920, 133159), (2080, 122916), (2496, 102430), (3120, 81944), (4160, 61458), (4992, 51215), (6240, 40972), (8320, 30729), (10243, 24960), (12480, 20486)]