123217920

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 490613760

約数和(自身を除く): 367395840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 191, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 382, 384, 420, 448, 480, 504, 512, 560, 573, 576, 630, 640, 672, 720, 764, 768, 840, 896, 955, 960, 1008, 1024, 1120, 1146, 1152, 1260, 1280, 1337, 1344, 1440, 1528, 1536, 1680, 1719, 1792, 1910, 1920, 2016, 2048, 2240, 2292, 2304, 2520, 2560, 2674, 2688, 2865, 2880, 3056, 3072, 3360, 3438, 3584, 3820, 3840, 4011, 4032, 4480, 4584, 4608, 5040, 5120, 5348, 5376, 5730, 5760, 6112, 6144, 6685, 6720, 6876, 7168, 7640, 7680, 8022, 8064, 8595, 8960, 9168, 9216, 10080, 10240, 10696, 10752, 11460, 11520, 12033, 12224, 13370, 13440, 13752, 14336, 15280, 15360, 16044, 16128, 17190, 17920, 18336, 18432, 20055, 20160, 21392, 21504, 22920, 23040, 24066, 24448, 26740, 26880, 27504, 30560, 30720, 32088, 32256, 34380, 35840, 36672, 40110, 40320, 42784, 43008, 45840, 46080, 48132, 48896, 53480, 53760, 55008, 60165, 61120, 64176, 64512, 68760, 71680, 73344, 80220, 80640, 85568, 91680, 92160, 96264, 97792, 106960, 107520, 110016, 120330, 122240, 128352, 129024, 137520, 146688, 160440, 161280, 171136, 183360, 192528, 195584, 213920, 215040, 220032, 240660, 244480, 256704, 275040, 293376, 320880, 322560, 342272, 366720, 385056, 391168, 427840, 440064, 481320, 488960, 513408, 550080, 586752, 641760, 645120, 684544, 733440, 770112, 855680, 880128, 962640, 977920, 1026816, 1100160, 1173504, 1283520, 1369088, 1466880, 1540224, 1711360, 1760256, 1925280, 1955840, 2053632, 2200320, 2567040, 2738176, 2933760, 3080448, 3422720, 3520512, 3850560, 4107264, 4400640, 5134080, 5867520, 6160896, 6845440, 7701120, 8214528, 8801280, 10268160, 12321792, 13690880, 15402240, 17602560, 20536320, 24643584, 30804480, 41072640, 61608960, 123217920]

約数ペア:

[(1, 123217920), (2, 61608960), (3, 41072640), (4, 30804480), (5, 24643584), (6, 20536320), (7, 17602560), (8, 15402240), (9, 13690880), (10, 12321792), (12, 10268160), (14, 8801280), (15, 8214528), (16, 7701120), (18, 6845440), (20, 6160896), (21, 5867520), (24, 5134080), (28, 4400640), (30, 4107264), (32, 3850560), (35, 3520512), (36, 3422720), (40, 3080448), (42, 2933760), (45, 2738176), (48, 2567040), (56, 2200320), (60, 2053632), (63, 1955840), (64, 1925280), (70, 1760256), (72, 1711360), (80, 1540224), (84, 1466880), (90, 1369088), (96, 1283520), (105, 1173504), (112, 1100160), (120, 1026816), (126, 977920), (128, 962640), (140, 880128), (144, 855680), (160, 770112), (168, 733440), (180, 684544), (191, 645120), (192, 641760), (210, 586752), (224, 550080), (240, 513408), (252, 488960), (256, 481320), (280, 440064), (288, 427840), (315, 391168), (320, 385056), (336, 366720), (360, 342272), (382, 322560), (384, 320880), (420, 293376), (448, 275040), (480, 256704), (504, 244480), (512, 240660), (560, 220032), (573, 215040), (576, 213920), (630, 195584), (640, 192528), (672, 183360), (720, 171136), (764, 161280), (768, 160440), (840, 146688), (896, 137520), (955, 129024), (960, 128352), (1008, 122240), (1024, 120330), (1120, 110016), (1146, 107520), (1152, 106960), (1260, 97792), (1280, 96264), (1337, 92160), (1344, 91680), (1440, 85568), (1528, 80640), (1536, 80220), (1680, 73344), (1719, 71680), (1792, 68760), (1910, 64512), (1920, 64176), (2016, 61120), (2048, 60165), (2240, 55008), (2292, 53760), (2304, 53480), (2520, 48896), (2560, 48132), (2674, 46080), (2688, 45840), (2865, 43008), (2880, 42784), (3056, 40320), (3072, 40110), (3360, 36672), (3438, 35840), (3584, 34380), (3820, 32256), (3840, 32088), (4011, 30720), (4032, 30560), (4480, 27504), (4584, 26880), (4608, 26740), (5040, 24448), (5120, 24066), (5348, 23040), (5376, 22920), (5730, 21504), (5760, 21392), (6112, 20160), (6144, 20055), (6685, 18432), (6720, 18336), (6876, 17920), (7168, 17190), (7640, 16128), (7680, 16044), (8022, 15360), (8064, 15280), (8595, 14336), (8960, 13752), (9168, 13440), (9216, 13370), (10080, 12224), (10240, 12033), (10696, 11520), (10752, 11460)]