68649840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 240

約数和(自身を含む): 269500608

約数和(自身を除く): 200850768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 112, 120, 126, 140, 144, 159, 168, 180, 210, 212, 240, 252, 257, 265, 280, 315, 318, 336, 360, 371, 420, 424, 477, 504, 514, 530, 560, 630, 636, 720, 742, 771, 795, 840, 848, 954, 1008, 1028, 1060, 1113, 1260, 1272, 1285, 1484, 1542, 1590, 1680, 1799, 1855, 1908, 2056, 2120, 2226, 2313, 2385, 2520, 2544, 2570, 2968, 3084, 3180, 3339, 3598, 3710, 3816, 3855, 4112, 4240, 4452, 4626, 4770, 5040, 5140, 5397, 5565, 5936, 6168, 6360, 6678, 7196, 7420, 7632, 7710, 8904, 8995, 9252, 9540, 10280, 10794, 11130, 11565, 12336, 12720, 13356, 13621, 14392, 14840, 15420, 16191, 16695, 17808, 17990, 18504, 19080, 20560, 21588, 22260, 23130, 26712, 26985, 27242, 28784, 29680, 30840, 32382, 33390, 35980, 37008, 38160, 40863, 43176, 44520, 46260, 53424, 53970, 54484, 61680, 64764, 66780, 68105, 71960, 80955, 81726, 86352, 89040, 92520, 95347, 107940, 108968, 122589, 129528, 133560, 136210, 143920, 161910, 163452, 185040, 190694, 204315, 215880, 217936, 245178, 259056, 267120, 272420, 286041, 323820, 326904, 381388, 408630, 431760, 476735, 490356, 544840, 572082, 612945, 647640, 653808, 762776, 817260, 858123, 953470, 980712, 1089680, 1144164, 1225890, 1295280, 1430205, 1525552, 1634520, 1716246, 1906940, 1961424, 2288328, 2451780, 2860410, 3269040, 3432492, 3813880, 4290615, 4576656, 4903560, 5720820, 6864984, 7627760, 8581230, 9807120, 11441640, 13729968, 17162460, 22883280, 34324920, 68649840]

約数ペア:

[(1, 68649840), (2, 34324920), (3, 22883280), (4, 17162460), (5, 13729968), (6, 11441640), (7, 9807120), (8, 8581230), (9, 7627760), (10, 6864984), (12, 5720820), (14, 4903560), (15, 4576656), (16, 4290615), (18, 3813880), (20, 3432492), (21, 3269040), (24, 2860410), (28, 2451780), (30, 2288328), (35, 1961424), (36, 1906940), (40, 1716246), (42, 1634520), (45, 1525552), (48, 1430205), (53, 1295280), (56, 1225890), (60, 1144164), (63, 1089680), (70, 980712), (72, 953470), (80, 858123), (84, 817260), (90, 762776), (105, 653808), (106, 647640), (112, 612945), (120, 572082), (126, 544840), (140, 490356), (144, 476735), (159, 431760), (168, 408630), (180, 381388), (210, 326904), (212, 323820), (240, 286041), (252, 272420), (257, 267120), (265, 259056), (280, 245178), (315, 217936), (318, 215880), (336, 204315), (360, 190694), (371, 185040), (420, 163452), (424, 161910), (477, 143920), (504, 136210), (514, 133560), (530, 129528), (560, 122589), (630, 108968), (636, 107940), (720, 95347), (742, 92520), (771, 89040), (795, 86352), (840, 81726), (848, 80955), (954, 71960), (1008, 68105), (1028, 66780), (1060, 64764), (1113, 61680), (1260, 54484), (1272, 53970), (1285, 53424), (1484, 46260), (1542, 44520), (1590, 43176), (1680, 40863), (1799, 38160), (1855, 37008), (1908, 35980), (2056, 33390), (2120, 32382), (2226, 30840), (2313, 29680), (2385, 28784), (2520, 27242), (2544, 26985), (2570, 26712), (2968, 23130), (3084, 22260), (3180, 21588), (3339, 20560), (3598, 19080), (3710, 18504), (3816, 17990), (3855, 17808), (4112, 16695), (4240, 16191), (4452, 15420), (4626, 14840), (4770, 14392), (5040, 13621), (5140, 13356), (5397, 12720), (5565, 12336), (5936, 11565), (6168, 11130), (6360, 10794), (6678, 10280), (7196, 9540), (7420, 9252), (7632, 8995), (7710, 8904)]