280625280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11243}}^1$

素因数の和:11278

約数の個数: 128

約数和(自身を含む): 963385920

約数和(自身を除く): 682760640

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, 11243, 12480, 22486, 24960, 33729, 44972, 56215, 67458, 89944, 112430, 134916, 146159, 168645, 179888, 224860, 269832, 292318, 337290, 359776, 438477, 449720, 539664, 584636, 674580, 719552, 730795, 876954, 899440, 1079328, 1169272, 1349160, 1439104, 1461590, 1753908, 1798880, 2158656, 2192385, 2338544, 2698320, 2923180, 3507816, 3597760, 4317312, 4384770, 4677088, 5396640, 5846360, 7015632, 7195520, 8769540, 9354176, 10793280, 11692720, 14031264, 17539080, 18708352, 21586560, 23385440, 28062528, 35078160, 46770880, 56125056, 70156320, 93541760, 140312640, 280625280]

約数ペア:

[(1, 280625280), (2, 140312640), (3, 93541760), (4, 70156320), (5, 56125056), (6, 46770880), (8, 35078160), (10, 28062528), (12, 23385440), (13, 21586560), (15, 18708352), (16, 17539080), (20, 14031264), (24, 11692720), (26, 10793280), (30, 9354176), (32, 8769540), (39, 7195520), (40, 7015632), (48, 5846360), (52, 5396640), (60, 4677088), (64, 4384770), (65, 4317312), (78, 3597760), (80, 3507816), (96, 2923180), (104, 2698320), (120, 2338544), (128, 2192385), (130, 2158656), (156, 1798880), (160, 1753908), (192, 1461590), (195, 1439104), (208, 1349160), (240, 1169272), (260, 1079328), (312, 899440), (320, 876954), (384, 730795), (390, 719552), (416, 674580), (480, 584636), (520, 539664), (624, 449720), (640, 438477), (780, 359776), (832, 337290), (960, 292318), (1040, 269832), (1248, 224860), (1560, 179888), (1664, 168645), (1920, 146159), (2080, 134916), (2496, 112430), (3120, 89944), (4160, 67458), (4992, 56215), (6240, 44972), (8320, 33729), (11243, 24960), (12480, 22486)]