247074660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 216

約数和(自身を含む): 883242360

約数和(自身を除く): 636167700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 109, 126, 140, 147, 180, 196, 210, 218, 245, 252, 257, 294, 315, 327, 420, 436, 441, 490, 514, 545, 588, 630, 654, 735, 763, 771, 882, 980, 981, 1028, 1090, 1260, 1285, 1308, 1470, 1526, 1542, 1635, 1764, 1799, 1962, 2180, 2205, 2289, 2313, 2570, 2940, 3052, 3084, 3270, 3598, 3815, 3855, 3924, 4410, 4578, 4626, 4905, 5140, 5341, 5397, 6540, 6867, 7196, 7630, 7710, 8820, 8995, 9156, 9252, 9810, 10682, 10794, 11445, 11565, 12593, 13734, 15260, 15420, 16023, 16191, 17990, 19620, 21364, 21588, 22890, 23130, 25186, 26705, 26985, 27468, 28013, 32046, 32382, 34335, 35980, 37779, 45780, 46260, 48069, 50372, 53410, 53970, 56026, 62965, 64092, 64764, 68670, 75558, 80115, 80955, 84039, 96138, 106820, 107940, 112052, 113337, 125930, 137340, 140065, 151116, 160230, 161910, 168078, 188895, 192276, 196091, 226674, 240345, 251860, 252117, 280130, 320460, 323820, 336156, 377790, 392182, 420195, 453348, 480690, 504234, 560260, 566685, 588273, 755580, 784364, 840390, 961380, 980455, 1008468, 1133370, 1176546, 1260585, 1372637, 1680780, 1764819, 1960910, 2266740, 2353092, 2521170, 2745274, 2941365, 3529638, 3921820, 4117911, 5042340, 5490548, 5882730, 6863185, 7059276, 8235822, 8824095, 11765460, 12353733, 13726370, 16471644, 17648190, 20589555, 24707466, 27452740, 35296380, 41179110, 49414932, 61768665, 82358220, 123537330, 247074660]

約数ペア:

[(1, 247074660), (2, 123537330), (3, 82358220), (4, 61768665), (5, 49414932), (6, 41179110), (7, 35296380), (9, 27452740), (10, 24707466), (12, 20589555), (14, 17648190), (15, 16471644), (18, 13726370), (20, 12353733), (21, 11765460), (28, 8824095), (30, 8235822), (35, 7059276), (36, 6863185), (42, 5882730), (45, 5490548), (49, 5042340), (60, 4117911), (63, 3921820), (70, 3529638), (84, 2941365), (90, 2745274), (98, 2521170), (105, 2353092), (109, 2266740), (126, 1960910), (140, 1764819), (147, 1680780), (180, 1372637), (196, 1260585), (210, 1176546), (218, 1133370), (245, 1008468), (252, 980455), (257, 961380), (294, 840390), (315, 784364), (327, 755580), (420, 588273), (436, 566685), (441, 560260), (490, 504234), (514, 480690), (545, 453348), (588, 420195), (630, 392182), (654, 377790), (735, 336156), (763, 323820), (771, 320460), (882, 280130), (980, 252117), (981, 251860), (1028, 240345), (1090, 226674), (1260, 196091), (1285, 192276), (1308, 188895), (1470, 168078), (1526, 161910), (1542, 160230), (1635, 151116), (1764, 140065), (1799, 137340), (1962, 125930), (2180, 113337), (2205, 112052), (2289, 107940), (2313, 106820), (2570, 96138), (2940, 84039), (3052, 80955), (3084, 80115), (3270, 75558), (3598, 68670), (3815, 64764), (3855, 64092), (3924, 62965), (4410, 56026), (4578, 53970), (4626, 53410), (4905, 50372), (5140, 48069), (5341, 46260), (5397, 45780), (6540, 37779), (6867, 35980), (7196, 34335), (7630, 32382), (7710, 32046), (8820, 28013), (8995, 27468), (9156, 26985), (9252, 26705), (9810, 25186), (10682, 23130), (10794, 22890), (11445, 21588), (11565, 21364), (12593, 19620), (13734, 17990), (15260, 16191), (15420, 16023)]