211915440

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 240

約数和(自身を含む): 805948416

約数和(自身を除く): 594032976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 243, 264, 270, 297, 324, 330, 360, 396, 405, 432, 440, 486, 495, 528, 540, 594, 648, 660, 720, 792, 810, 880, 891, 972, 990, 991, 1080, 1188, 1215, 1296, 1320, 1485, 1584, 1620, 1782, 1944, 1980, 1982, 2160, 2376, 2430, 2640, 2673, 2970, 2973, 3240, 3564, 3888, 3960, 3964, 4455, 4752, 4860, 4955, 5346, 5940, 5946, 6480, 7128, 7920, 7928, 8910, 8919, 9720, 9910, 10692, 10901, 11880, 11892, 13365, 14256, 14865, 15856, 17820, 17838, 19440, 19820, 21384, 21802, 23760, 23784, 26730, 26757, 29730, 32703, 35640, 35676, 39640, 42768, 43604, 44595, 47568, 53460, 53514, 54505, 59460, 65406, 71280, 71352, 79280, 80271, 87208, 89190, 98109, 106920, 107028, 109010, 118920, 130812, 133785, 142704, 160542, 163515, 174416, 178380, 196218, 213840, 214056, 218020, 237840, 240813, 261624, 267570, 294327, 321084, 327030, 356760, 392436, 401355, 428112, 436040, 481626, 490545, 523248, 535140, 588654, 642168, 654060, 713520, 784872, 802710, 872080, 882981, 963252, 981090, 1070280, 1177308, 1204065, 1284336, 1308120, 1471635, 1569744, 1605420, 1765962, 1926504, 1962180, 2140560, 2354616, 2408130, 2616240, 2648943, 2943270, 3210840, 3531924, 3853008, 3924360, 4414905, 4709232, 4816260, 5297886, 5886540, 6421680, 7063848, 7848720, 8829810, 9632520, 10595772, 11773080, 13244715, 14127696, 17659620, 19265040, 21191544, 23546160, 26489430, 35319240, 42383088, 52978860, 70638480, 105957720, 211915440]

約数ペア:

[(1, 211915440), (2, 105957720), (3, 70638480), (4, 52978860), (5, 42383088), (6, 35319240), (8, 26489430), (9, 23546160), (10, 21191544), (11, 19265040), (12, 17659620), (15, 14127696), (16, 13244715), (18, 11773080), (20, 10595772), (22, 9632520), (24, 8829810), (27, 7848720), (30, 7063848), (33, 6421680), (36, 5886540), (40, 5297886), (44, 4816260), (45, 4709232), (48, 4414905), (54, 3924360), (55, 3853008), (60, 3531924), (66, 3210840), (72, 2943270), (80, 2648943), (81, 2616240), (88, 2408130), (90, 2354616), (99, 2140560), (108, 1962180), (110, 1926504), (120, 1765962), (132, 1605420), (135, 1569744), (144, 1471635), (162, 1308120), (165, 1284336), (176, 1204065), (180, 1177308), (198, 1070280), (216, 981090), (220, 963252), (240, 882981), (243, 872080), (264, 802710), (270, 784872), (297, 713520), (324, 654060), (330, 642168), (360, 588654), (396, 535140), (405, 523248), (432, 490545), (440, 481626), (486, 436040), (495, 428112), (528, 401355), (540, 392436), (594, 356760), (648, 327030), (660, 321084), (720, 294327), (792, 267570), (810, 261624), (880, 240813), (891, 237840), (972, 218020), (990, 214056), (991, 213840), (1080, 196218), (1188, 178380), (1215, 174416), (1296, 163515), (1320, 160542), (1485, 142704), (1584, 133785), (1620, 130812), (1782, 118920), (1944, 109010), (1980, 107028), (1982, 106920), (2160, 98109), (2376, 89190), (2430, 87208), (2640, 80271), (2673, 79280), (2970, 71352), (2973, 71280), (3240, 65406), (3564, 59460), (3888, 54505), (3960, 53514), (3964, 53460), (4455, 47568), (4752, 44595), (4860, 43604), (4955, 42768), (5346, 39640), (5940, 35676), (5946, 35640), (6480, 32703), (7128, 29730), (7920, 26757), (7928, 26730), (8910, 23784), (8919, 23760), (9720, 21802), (9910, 21384), (10692, 19820), (10901, 19440), (11880, 17838), (11892, 17820), (13365, 15856), (14256, 14865)]