247755840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{631}}^1$

素因数の和:1060

約数の個数: 112

約数和(自身を含む): 789797760

約数和(自身を除く): 542041920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 409, 480, 631, 818, 960, 1227, 1262, 1636, 1893, 2045, 2454, 2524, 3155, 3272, 3786, 4090, 4908, 5048, 6135, 6310, 6544, 7572, 8180, 9465, 9816, 10096, 12270, 12620, 13088, 15144, 16360, 18930, 19632, 20192, 24540, 25240, 26176, 30288, 32720, 37860, 39264, 40384, 49080, 50480, 60576, 65440, 75720, 78528, 98160, 100960, 121152, 130880, 151440, 196320, 201920, 258079, 302880, 392640, 516158, 605760, 774237, 1032316, 1290395, 1548474, 2064632, 2580790, 3096948, 3871185, 4129264, 5161580, 6193896, 7742370, 8258528, 10323160, 12387792, 15484740, 16517056, 20646320, 24775584, 30969480, 41292640, 49551168, 61938960, 82585280, 123877920, 247755840]

約数ペア:

[(1, 247755840), (2, 123877920), (3, 82585280), (4, 61938960), (5, 49551168), (6, 41292640), (8, 30969480), (10, 24775584), (12, 20646320), (15, 16517056), (16, 15484740), (20, 12387792), (24, 10323160), (30, 8258528), (32, 7742370), (40, 6193896), (48, 5161580), (60, 4129264), (64, 3871185), (80, 3096948), (96, 2580790), (120, 2064632), (160, 1548474), (192, 1290395), (240, 1032316), (320, 774237), (409, 605760), (480, 516158), (631, 392640), (818, 302880), (960, 258079), (1227, 201920), (1262, 196320), (1636, 151440), (1893, 130880), (2045, 121152), (2454, 100960), (2524, 98160), (3155, 78528), (3272, 75720), (3786, 65440), (4090, 60576), (4908, 50480), (5048, 49080), (6135, 40384), (6310, 39264), (6544, 37860), (7572, 32720), (8180, 30288), (9465, 26176), (9816, 25240), (10096, 24540), (12270, 20192), (12620, 19632), (13088, 18930), (15144, 16360)]