320021280

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{8231}}^1$

素因数の和:8261

約数の個数: 144

約数和(自身を含む): 1132657344

約数和(自身を除く): 812636064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 8231, 9720, 12960, 16462, 19440, 24693, 32924, 38880, 41155, 49386, 65848, 74079, 82310, 98772, 123465, 131696, 148158, 164620, 197544, 222237, 246930, 263392, 296316, 329240, 370395, 395088, 444474, 493860, 592632, 658480, 666711, 740790, 790176, 888948, 987720, 1111185, 1185264, 1316960, 1333422, 1481580, 1777896, 1975440, 2000133, 2222370, 2370528, 2666844, 2963160, 3333555, 3555792, 3950880, 4000266, 4444740, 5333688, 5926320, 6667110, 7111584, 8000532, 8889480, 10000665, 10667376, 11852640, 13334220, 16001064, 17778960, 20001330, 21334752, 26668440, 32002128, 35557920, 40002660, 53336880, 64004256, 80005320, 106673760, 160010640, 320021280]

約数ペア:

[(1, 320021280), (2, 160010640), (3, 106673760), (4, 80005320), (5, 64004256), (6, 53336880), (8, 40002660), (9, 35557920), (10, 32002128), (12, 26668440), (15, 21334752), (16, 20001330), (18, 17778960), (20, 16001064), (24, 13334220), (27, 11852640), (30, 10667376), (32, 10000665), (36, 8889480), (40, 8000532), (45, 7111584), (48, 6667110), (54, 5926320), (60, 5333688), (72, 4444740), (80, 4000266), (81, 3950880), (90, 3555792), (96, 3333555), (108, 2963160), (120, 2666844), (135, 2370528), (144, 2222370), (160, 2000133), (162, 1975440), (180, 1777896), (216, 1481580), (240, 1333422), (243, 1316960), (270, 1185264), (288, 1111185), (324, 987720), (360, 888948), (405, 790176), (432, 740790), (480, 666711), (486, 658480), (540, 592632), (648, 493860), (720, 444474), (810, 395088), (864, 370395), (972, 329240), (1080, 296316), (1215, 263392), (1296, 246930), (1440, 222237), (1620, 197544), (1944, 164620), (2160, 148158), (2430, 131696), (2592, 123465), (3240, 98772), (3888, 82310), (4320, 74079), (4860, 65848), (6480, 49386), (7776, 41155), (8231, 38880), (9720, 32924), (12960, 24693), (16462, 19440)]