221210880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5237}}^1$

素因数の和:5272

約数の個数: 144

約数和(自身を含む): 770865984

約数和(自身を除く): 549655104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1760, 1920, 2112, 2640, 2816, 3520, 3840, 4224, 5237, 5280, 7040, 8448, 10474, 10560, 14080, 15711, 20948, 21120, 26185, 31422, 41896, 42240, 52370, 57607, 62844, 78555, 83792, 104740, 115214, 125688, 157110, 167584, 172821, 209480, 230428, 251376, 288035, 314220, 335168, 345642, 418960, 460856, 502752, 576070, 628440, 670336, 691284, 837920, 864105, 921712, 1005504, 1152140, 1256880, 1340672, 1382568, 1675840, 1728210, 1843424, 2011008, 2304280, 2513760, 2765136, 3351680, 3456420, 3686848, 4022016, 4608560, 5027520, 5530272, 6703360, 6912840, 7373696, 9217120, 10055040, 11060544, 13825680, 14747392, 18434240, 20110080, 22121088, 27651360, 36868480, 44242176, 55302720, 73736960, 110605440, 221210880]

約数ペア:

[(1, 221210880), (2, 110605440), (3, 73736960), (4, 55302720), (5, 44242176), (6, 36868480), (8, 27651360), (10, 22121088), (11, 20110080), (12, 18434240), (15, 14747392), (16, 13825680), (20, 11060544), (22, 10055040), (24, 9217120), (30, 7373696), (32, 6912840), (33, 6703360), (40, 5530272), (44, 5027520), (48, 4608560), (55, 4022016), (60, 3686848), (64, 3456420), (66, 3351680), (80, 2765136), (88, 2513760), (96, 2304280), (110, 2011008), (120, 1843424), (128, 1728210), (132, 1675840), (160, 1382568), (165, 1340672), (176, 1256880), (192, 1152140), (220, 1005504), (240, 921712), (256, 864105), (264, 837920), (320, 691284), (330, 670336), (352, 628440), (384, 576070), (440, 502752), (480, 460856), (528, 418960), (640, 345642), (660, 335168), (704, 314220), (768, 288035), (880, 251376), (960, 230428), (1056, 209480), (1280, 172821), (1320, 167584), (1408, 157110), (1760, 125688), (1920, 115214), (2112, 104740), (2640, 83792), (2816, 78555), (3520, 62844), (3840, 57607), (4224, 52370), (5237, 42240), (5280, 41896), (7040, 31422), (8448, 26185), (10474, 21120), (10560, 20948), (14080, 15711)]