2687050240

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:759

約数の個数: 240

約数和(自身を含む): 7747432704

約数和(自身を除く): 5060382464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 256, 280, 310, 320, 392, 434, 448, 490, 496, 512, 560, 620, 640, 691, 784, 868, 896, 980, 992, 1085, 1120, 1240, 1280, 1382, 1519, 1568, 1736, 1792, 1960, 1984, 2170, 2240, 2480, 2560, 2764, 3038, 3136, 3455, 3472, 3584, 3920, 3968, 4340, 4480, 4837, 4960, 5528, 6076, 6272, 6910, 6944, 7595, 7840, 7936, 8680, 8960, 9674, 9920, 11056, 12152, 12544, 13820, 13888, 15190, 15680, 15872, 17360, 17920, 19348, 19840, 21421, 22112, 24185, 24304, 25088, 27640, 27776, 30380, 31360, 33859, 34720, 38696, 39680, 42842, 44224, 48370, 48608, 55280, 55552, 60760, 62720, 67718, 69440, 77392, 79360, 85684, 88448, 96740, 97216, 107105, 110560, 111104, 121520, 125440, 135436, 138880, 149947, 154784, 169295, 171368, 176896, 193480, 194432, 214210, 221120, 243040, 270872, 277760, 299894, 309568, 338590, 342736, 353792, 386960, 388864, 428420, 442240, 486080, 541744, 555520, 599788, 619136, 677180, 685472, 749735, 773920, 777728, 856840, 884480, 972160, 1049629, 1083488, 1199576, 1238272, 1354360, 1370944, 1499470, 1547840, 1713680, 1768960, 1944320, 2099258, 2166976, 2399152, 2476544, 2708720, 2741888, 2998940, 3095680, 3427360, 3888640, 4198516, 4333952, 4798304, 5248145, 5417440, 5483776, 5997880, 6191360, 6854720, 8397032, 8667904, 9596608, 10496290, 10834880, 10967552, 11995760, 12382720, 13709440, 16794064, 17335808, 19193216, 20992580, 21669760, 23991520, 27418880, 33588128, 38386432, 41985160, 43339520, 47983040, 54837760, 67176256, 76772864, 83970320, 86679040, 95966080, 134352512, 167940640, 191932160, 268705024, 335881280, 383864320, 537410048, 671762560, 1343525120, 2687050240]

約数ペア:

[(1, 2687050240), (2, 1343525120), (4, 671762560), (5, 537410048), (7, 383864320), (8, 335881280), (10, 268705024), (14, 191932160), (16, 167940640), (20, 134352512), (28, 95966080), (31, 86679040), (32, 83970320), (35, 76772864), (40, 67176256), (49, 54837760), (56, 47983040), (62, 43339520), (64, 41985160), (70, 38386432), (80, 33588128), (98, 27418880), (112, 23991520), (124, 21669760), (128, 20992580), (140, 19193216), (155, 17335808), (160, 16794064), (196, 13709440), (217, 12382720), (224, 11995760), (245, 10967552), (248, 10834880), (256, 10496290), (280, 9596608), (310, 8667904), (320, 8397032), (392, 6854720), (434, 6191360), (448, 5997880), (490, 5483776), (496, 5417440), (512, 5248145), (560, 4798304), (620, 4333952), (640, 4198516), (691, 3888640), (784, 3427360), (868, 3095680), (896, 2998940), (980, 2741888), (992, 2708720), (1085, 2476544), (1120, 2399152), (1240, 2166976), (1280, 2099258), (1382, 1944320), (1519, 1768960), (1568, 1713680), (1736, 1547840), (1792, 1499470), (1960, 1370944), (1984, 1354360), (2170, 1238272), (2240, 1199576), (2480, 1083488), (2560, 1049629), (2764, 972160), (3038, 884480), (3136, 856840), (3455, 777728), (3472, 773920), (3584, 749735), (3920, 685472), (3968, 677180), (4340, 619136), (4480, 599788), (4837, 555520), (4960, 541744), (5528, 486080), (6076, 442240), (6272, 428420), (6910, 388864), (6944, 386960), (7595, 353792), (7840, 342736), (7936, 338590), (8680, 309568), (8960, 299894), (9674, 277760), (9920, 270872), (11056, 243040), (12152, 221120), (12544, 214210), (13820, 194432), (13888, 193480), (15190, 176896), (15680, 171368), (15872, 169295), (17360, 154784), (17920, 149947), (19348, 138880), (19840, 135436), (21421, 125440), (22112, 121520), (24185, 111104), (24304, 110560), (25088, 107105), (27640, 97216), (27776, 96740), (30380, 88448), (31360, 85684), (33859, 79360), (34720, 77392), (38696, 69440), (39680, 67718), (42842, 62720), (44224, 60760), (48370, 55552), (48608, 55280)]