251256240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11257}}^1$

素因数の和:11307

約数の個数: 120

約数和(自身を含む): 871099008

約数和(自身を除く): 619842768

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, 11257, 22320, 22514, 33771, 45028, 56285, 67542, 90056, 101313, 112570, 135084, 168855, 180112, 202626, 225140, 270168, 337710, 348967, 405252, 450280, 506565, 540336, 675420, 697934, 810504, 900560, 1013130, 1046901, 1350840, 1395868, 1621008, 1744835, 2026260, 2093802, 2701680, 2791736, 3140703, 3489670, 4052520, 4187604, 5234505, 5583472, 6281406, 6979340, 8105040, 8375208, 10469010, 12562812, 13958680, 15703515, 16750416, 20938020, 25125624, 27917360, 31407030, 41876040, 50251248, 62814060, 83752080, 125628120, 251256240]

約数ペア:

[(1, 251256240), (2, 125628120), (3, 83752080), (4, 62814060), (5, 50251248), (6, 41876040), (8, 31407030), (9, 27917360), (10, 25125624), (12, 20938020), (15, 16750416), (16, 15703515), (18, 13958680), (20, 12562812), (24, 10469010), (30, 8375208), (31, 8105040), (36, 6979340), (40, 6281406), (45, 5583472), (48, 5234505), (60, 4187604), (62, 4052520), (72, 3489670), (80, 3140703), (90, 2791736), (93, 2701680), (120, 2093802), (124, 2026260), (144, 1744835), (155, 1621008), (180, 1395868), (186, 1350840), (240, 1046901), (248, 1013130), (279, 900560), (310, 810504), (360, 697934), (372, 675420), (465, 540336), (496, 506565), (558, 450280), (620, 405252), (720, 348967), (744, 337710), (930, 270168), (1116, 225140), (1240, 202626), (1395, 180112), (1488, 168855), (1860, 135084), (2232, 112570), (2480, 101313), (2790, 90056), (3720, 67542), (4464, 56285), (5580, 45028), (7440, 33771), (11160, 22514), (11257, 22320)]