1248156720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55921}}^1$

素因数の和:55971

約数の個数: 120

約数和(自身を含む): 4327020672

約数和(自身を除く): 3078863952

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, 22320, 55921, 111842, 167763, 223684, 279605, 335526, 447368, 503289, 559210, 671052, 838815, 894736, 1006578, 1118420, 1342104, 1677630, 1733551, 2013156, 2236840, 2516445, 2684208, 3355260, 3467102, 4026312, 4473680, 5032890, 5200653, 6710520, 6934204, 8052624, 8667755, 10065780, 10401306, 13421040, 13868408, 15601959, 17335510, 20131560, 20802612, 26003265, 27736816, 31203918, 34671020, 40263120, 41605224, 52006530, 62407836, 69342040, 78009795, 83210448, 104013060, 124815672, 138684080, 156019590, 208026120, 249631344, 312039180, 416052240, 624078360, 1248156720]

約数ペア:

[(1, 1248156720), (2, 624078360), (3, 416052240), (4, 312039180), (5, 249631344), (6, 208026120), (8, 156019590), (9, 138684080), (10, 124815672), (12, 104013060), (15, 83210448), (16, 78009795), (18, 69342040), (20, 62407836), (24, 52006530), (30, 41605224), (31, 40263120), (36, 34671020), (40, 31203918), (45, 27736816), (48, 26003265), (60, 20802612), (62, 20131560), (72, 17335510), (80, 15601959), (90, 13868408), (93, 13421040), (120, 10401306), (124, 10065780), (144, 8667755), (155, 8052624), (180, 6934204), (186, 6710520), (240, 5200653), (248, 5032890), (279, 4473680), (310, 4026312), (360, 3467102), (372, 3355260), (465, 2684208), (496, 2516445), (558, 2236840), (620, 2013156), (720, 1733551), (744, 1677630), (930, 1342104), (1116, 1118420), (1240, 1006578), (1395, 894736), (1488, 838815), (1860, 671052), (2232, 559210), (2480, 503289), (2790, 447368), (3720, 335526), (4464, 279605), (5580, 223684), (7440, 167763), (11160, 111842), (22320, 55921)]