31379040

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:322

約数の個数: 288

約数和(自身を含む): 133975296

約数和(自身を除く): 102596256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 283, 288, 308, 315, 330, 336, 352, 360, 385, 396, 420, 440, 462, 480, 495, 504, 528, 560, 566, 616, 630, 660, 672, 693, 720, 770, 792, 840, 849, 880, 924, 990, 1008, 1056, 1120, 1132, 1155, 1232, 1260, 1320, 1386, 1415, 1440, 1540, 1584, 1680, 1698, 1760, 1848, 1980, 1981, 2016, 2264, 2310, 2464, 2520, 2547, 2640, 2772, 2830, 3080, 3113, 3168, 3360, 3396, 3465, 3696, 3960, 3962, 4245, 4528, 4620, 5040, 5094, 5280, 5544, 5660, 5943, 6160, 6226, 6792, 6930, 7392, 7920, 7924, 8490, 9056, 9240, 9339, 9905, 10080, 10188, 11088, 11320, 11886, 12320, 12452, 12735, 13584, 13860, 15565, 15840, 15848, 16980, 17829, 18480, 18678, 19810, 20376, 21791, 22176, 22640, 23772, 24904, 25470, 27168, 27720, 28017, 29715, 31130, 31696, 33960, 35658, 36960, 37356, 39620, 40752, 43582, 45280, 46695, 47544, 49808, 50940, 55440, 56034, 59430, 62260, 63392, 65373, 67920, 71316, 74712, 79240, 81504, 87164, 89145, 93390, 95088, 99616, 101880, 108955, 110880, 112068, 118860, 124520, 130746, 135840, 140085, 142632, 149424, 158480, 174328, 178290, 186780, 190176, 196119, 203760, 217910, 224136, 237720, 249040, 261492, 280170, 285264, 298848, 316960, 326865, 348656, 356580, 373560, 392238, 407520, 435820, 448272, 475440, 498080, 522984, 560340, 570528, 653730, 697312, 713160, 747120, 784476, 871640, 896544, 950880, 980595, 1045968, 1120680, 1307460, 1426320, 1494240, 1568952, 1743280, 1961190, 2091936, 2241360, 2614920, 2852640, 3137904, 3486560, 3922380, 4482720, 5229840, 6275808, 7844760, 10459680, 15689520, 31379040]

約数ペア:

[(1, 31379040), (2, 15689520), (3, 10459680), (4, 7844760), (5, 6275808), (6, 5229840), (7, 4482720), (8, 3922380), (9, 3486560), (10, 3137904), (11, 2852640), (12, 2614920), (14, 2241360), (15, 2091936), (16, 1961190), (18, 1743280), (20, 1568952), (21, 1494240), (22, 1426320), (24, 1307460), (28, 1120680), (30, 1045968), (32, 980595), (33, 950880), (35, 896544), (36, 871640), (40, 784476), (42, 747120), (44, 713160), (45, 697312), (48, 653730), (55, 570528), (56, 560340), (60, 522984), (63, 498080), (66, 475440), (70, 448272), (72, 435820), (77, 407520), (80, 392238), (84, 373560), (88, 356580), (90, 348656), (96, 326865), (99, 316960), (105, 298848), (110, 285264), (112, 280170), (120, 261492), (126, 249040), (132, 237720), (140, 224136), (144, 217910), (154, 203760), (160, 196119), (165, 190176), (168, 186780), (176, 178290), (180, 174328), (198, 158480), (210, 149424), (220, 142632), (224, 140085), (231, 135840), (240, 130746), (252, 124520), (264, 118860), (280, 112068), (283, 110880), (288, 108955), (308, 101880), (315, 99616), (330, 95088), (336, 93390), (352, 89145), (360, 87164), (385, 81504), (396, 79240), (420, 74712), (440, 71316), (462, 67920), (480, 65373), (495, 63392), (504, 62260), (528, 59430), (560, 56034), (566, 55440), (616, 50940), (630, 49808), (660, 47544), (672, 46695), (693, 45280), (720, 43582), (770, 40752), (792, 39620), (840, 37356), (849, 36960), (880, 35658), (924, 33960), (990, 31696), (1008, 31130), (1056, 29715), (1120, 28017), (1132, 27720), (1155, 27168), (1232, 25470), (1260, 24904), (1320, 23772), (1386, 22640), (1415, 22176), (1440, 21791), (1540, 20376), (1584, 19810), (1680, 18678), (1698, 18480), (1760, 17829), (1848, 16980), (1980, 15848), (1981, 15840), (2016, 15565), (2264, 13860), (2310, 13584), (2464, 12735), (2520, 12452), (2547, 12320), (2640, 11886), (2772, 11320), (2830, 11088), (3080, 10188), (3113, 10080), (3168, 9905), (3360, 9339), (3396, 9240), (3465, 9056), (3696, 8490), (3960, 7924), (3962, 7920), (4245, 7392), (4528, 6930), (4620, 6792), (5040, 6226), (5094, 6160), (5280, 5943), (5544, 5660)]