281683360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 854945280

約数和(自身を除く): 573261920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 49, 56, 61, 62, 70, 76, 80, 95, 98, 112, 122, 124, 133, 140, 152, 155, 160, 190, 196, 217, 224, 244, 245, 248, 266, 280, 304, 305, 310, 380, 392, 427, 434, 488, 490, 496, 532, 560, 589, 608, 610, 620, 665, 760, 784, 854, 868, 931, 976, 980, 992, 1064, 1085, 1120, 1159, 1178, 1220, 1240, 1330, 1519, 1520, 1568, 1708, 1736, 1862, 1891, 1952, 1960, 2128, 2135, 2170, 2318, 2356, 2440, 2480, 2660, 2945, 2989, 3038, 3040, 3416, 3472, 3724, 3782, 3920, 4123, 4256, 4270, 4340, 4636, 4655, 4712, 4880, 4960, 5320, 5795, 5890, 5978, 6076, 6832, 6944, 7448, 7564, 7595, 7840, 8113, 8246, 8540, 8680, 9272, 9310, 9424, 9455, 9760, 10640, 11590, 11780, 11956, 12152, 13237, 13664, 14896, 14945, 15128, 15190, 16226, 16492, 17080, 17360, 18544, 18620, 18848, 18910, 20615, 21280, 23180, 23560, 23912, 24304, 26474, 28861, 29792, 29890, 30256, 30380, 32452, 32984, 34160, 34720, 35929, 37088, 37240, 37820, 40565, 41230, 46360, 47120, 47824, 48608, 52948, 56791, 57722, 59780, 60512, 60760, 64904, 65968, 66185, 68320, 71858, 74480, 75640, 81130, 82460, 92659, 92720, 94240, 95648, 105896, 113582, 115444, 119560, 121520, 129808, 131936, 132370, 143716, 144305, 148960, 151280, 162260, 164920, 179645, 185318, 185440, 211792, 227164, 230888, 239120, 243040, 251503, 259616, 264740, 283955, 287432, 288610, 302560, 324520, 329840, 359290, 370636, 423584, 454328, 461776, 463295, 478240, 503006, 529480, 567910, 574864, 577220, 649040, 659680, 718580, 741272, 908656, 923552, 926590, 1006012, 1058960, 1135820, 1149728, 1154440, 1257515, 1298080, 1437160, 1482544, 1760521, 1817312, 1853180, 2012024, 2117920, 2271640, 2308880, 2515030, 2874320, 2965088, 3521042, 3706360, 4024048, 4543280, 4617760, 5030060, 5748640, 7042084, 7412720, 8048096, 8802605, 9086560, 10060120, 14084168, 14825440, 17605210, 20120240, 28168336, 35210420, 40240480, 56336672, 70420840, 140841680, 281683360]

約数ペア:

[(1, 281683360), (2, 140841680), (4, 70420840), (5, 56336672), (7, 40240480), (8, 35210420), (10, 28168336), (14, 20120240), (16, 17605210), (19, 14825440), (20, 14084168), (28, 10060120), (31, 9086560), (32, 8802605), (35, 8048096), (38, 7412720), (40, 7042084), (49, 5748640), (56, 5030060), (61, 4617760), (62, 4543280), (70, 4024048), (76, 3706360), (80, 3521042), (95, 2965088), (98, 2874320), (112, 2515030), (122, 2308880), (124, 2271640), (133, 2117920), (140, 2012024), (152, 1853180), (155, 1817312), (160, 1760521), (190, 1482544), (196, 1437160), (217, 1298080), (224, 1257515), (244, 1154440), (245, 1149728), (248, 1135820), (266, 1058960), (280, 1006012), (304, 926590), (305, 923552), (310, 908656), (380, 741272), (392, 718580), (427, 659680), (434, 649040), (488, 577220), (490, 574864), (496, 567910), (532, 529480), (560, 503006), (589, 478240), (608, 463295), (610, 461776), (620, 454328), (665, 423584), (760, 370636), (784, 359290), (854, 329840), (868, 324520), (931, 302560), (976, 288610), (980, 287432), (992, 283955), (1064, 264740), (1085, 259616), (1120, 251503), (1159, 243040), (1178, 239120), (1220, 230888), (1240, 227164), (1330, 211792), (1519, 185440), (1520, 185318), (1568, 179645), (1708, 164920), (1736, 162260), (1862, 151280), (1891, 148960), (1952, 144305), (1960, 143716), (2128, 132370), (2135, 131936), (2170, 129808), (2318, 121520), (2356, 119560), (2440, 115444), (2480, 113582), (2660, 105896), (2945, 95648), (2989, 94240), (3038, 92720), (3040, 92659), (3416, 82460), (3472, 81130), (3724, 75640), (3782, 74480), (3920, 71858), (4123, 68320), (4256, 66185), (4270, 65968), (4340, 64904), (4636, 60760), (4655, 60512), (4712, 59780), (4880, 57722), (4960, 56791), (5320, 52948), (5795, 48608), (5890, 47824), (5978, 47120), (6076, 46360), (6832, 41230), (6944, 40565), (7448, 37820), (7564, 37240), (7595, 37088), (7840, 35929), (8113, 34720), (8246, 34160), (8540, 32984), (8680, 32452), (9272, 30380), (9310, 30256), (9424, 29890), (9455, 29792), (9760, 28861), (10640, 26474), (11590, 24304), (11780, 23912), (11956, 23560), (12152, 23180), (13237, 21280), (13664, 20615), (14896, 18910), (14945, 18848), (15128, 18620), (15190, 18544), (16226, 17360), (16492, 17080)]