30978720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 111041280

約数和(自身を除く): 80062560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 96, 101, 108, 120, 135, 142, 144, 160, 180, 202, 213, 216, 240, 270, 284, 288, 303, 355, 360, 404, 426, 432, 480, 505, 540, 568, 606, 639, 710, 720, 808, 852, 864, 909, 1010, 1065, 1080, 1136, 1212, 1278, 1420, 1440, 1515, 1616, 1704, 1818, 1917, 2020, 2130, 2160, 2272, 2424, 2556, 2727, 2840, 3030, 3195, 3232, 3408, 3636, 3834, 4040, 4260, 4320, 4545, 4848, 5112, 5454, 5680, 6060, 6390, 6816, 7171, 7272, 7668, 8080, 8520, 9090, 9585, 9696, 10224, 10908, 11360, 12120, 12780, 13635, 14342, 14544, 15336, 16160, 17040, 18180, 19170, 20448, 21513, 21816, 24240, 25560, 27270, 28684, 29088, 30672, 34080, 35855, 36360, 38340, 43026, 43632, 48480, 51120, 54540, 57368, 61344, 64539, 71710, 72720, 76680, 86052, 87264, 102240, 107565, 109080, 114736, 129078, 143420, 145440, 153360, 172104, 193617, 215130, 218160, 229472, 258156, 286840, 306720, 322695, 344208, 387234, 430260, 436320, 516312, 573680, 645390, 688416, 774468, 860520, 968085, 1032624, 1147360, 1290780, 1548936, 1721040, 1936170, 2065248, 2581560, 3097872, 3442080, 3872340, 5163120, 6195744, 7744680, 10326240, 15489360, 30978720]

約数ペア:

[(1, 30978720), (2, 15489360), (3, 10326240), (4, 7744680), (5, 6195744), (6, 5163120), (8, 3872340), (9, 3442080), (10, 3097872), (12, 2581560), (15, 2065248), (16, 1936170), (18, 1721040), (20, 1548936), (24, 1290780), (27, 1147360), (30, 1032624), (32, 968085), (36, 860520), (40, 774468), (45, 688416), (48, 645390), (54, 573680), (60, 516312), (71, 436320), (72, 430260), (80, 387234), (90, 344208), (96, 322695), (101, 306720), (108, 286840), (120, 258156), (135, 229472), (142, 218160), (144, 215130), (160, 193617), (180, 172104), (202, 153360), (213, 145440), (216, 143420), (240, 129078), (270, 114736), (284, 109080), (288, 107565), (303, 102240), (355, 87264), (360, 86052), (404, 76680), (426, 72720), (432, 71710), (480, 64539), (505, 61344), (540, 57368), (568, 54540), (606, 51120), (639, 48480), (710, 43632), (720, 43026), (808, 38340), (852, 36360), (864, 35855), (909, 34080), (1010, 30672), (1065, 29088), (1080, 28684), (1136, 27270), (1212, 25560), (1278, 24240), (1420, 21816), (1440, 21513), (1515, 20448), (1616, 19170), (1704, 18180), (1818, 17040), (1917, 16160), (2020, 15336), (2130, 14544), (2160, 14342), (2272, 13635), (2424, 12780), (2556, 12120), (2727, 11360), (2840, 10908), (3030, 10224), (3195, 9696), (3232, 9585), (3408, 9090), (3636, 8520), (3834, 8080), (4040, 7668), (4260, 7272), (4320, 7171), (4545, 6816), (4848, 6390), (5112, 6060), (5454, 5680)]