278040240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12457}}^1$

素因数の和:12507

約数の個数: 120

約数和(自身を含む): 963950208

約数和(自身を除く): 685909968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 12457, 22320, 24914, 37371, 49828, 62285, 74742, 99656, 112113, 124570, 149484, 186855, 199312, 224226, 249140, 298968, 373710, 386167, 448452, 498280, 560565, 597936, 747420, 772334, 896904, 996560, 1121130, 1158501, 1494840, 1544668, 1793808, 1930835, 2242260, 2317002, 2989680, 3089336, 3475503, 3861670, 4484520, 4634004, 5792505, 6178672, 6951006, 7723340, 8969040, 9268008, 11585010, 13902012, 15446680, 17377515, 18536016, 23170020, 27804024, 30893360, 34755030, 46340040, 55608048, 69510060, 92680080, 139020120, 278040240]

約数ペア:

[(1, 278040240), (2, 139020120), (3, 92680080), (4, 69510060), (5, 55608048), (6, 46340040), (8, 34755030), (9, 30893360), (10, 27804024), (12, 23170020), (15, 18536016), (16, 17377515), (18, 15446680), (20, 13902012), (24, 11585010), (30, 9268008), (31, 8969040), (36, 7723340), (40, 6951006), (45, 6178672), (48, 5792505), (60, 4634004), (62, 4484520), (72, 3861670), (80, 3475503), (90, 3089336), (93, 2989680), (120, 2317002), (124, 2242260), (144, 1930835), (155, 1793808), (180, 1544668), (186, 1494840), (240, 1158501), (248, 1121130), (279, 996560), (310, 896904), (360, 772334), (372, 747420), (465, 597936), (496, 560565), (558, 498280), (620, 448452), (720, 386167), (744, 373710), (930, 298968), (1116, 249140), (1240, 224226), (1395, 199312), (1488, 186855), (1860, 149484), (2232, 124570), (2480, 112113), (2790, 99656), (3720, 74742), (4464, 62285), (5580, 49828), (7440, 37371), (11160, 24914), (12457, 22320)]