64323280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 120

約数和(自身を含む): 177477480

約数和(自身を除く): 113154200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 196, 244, 245, 269, 280, 305, 392, 427, 488, 490, 538, 560, 610, 784, 854, 976, 980, 1076, 1220, 1345, 1708, 1883, 1960, 2135, 2152, 2440, 2690, 2989, 3416, 3766, 3920, 4270, 4304, 4880, 5380, 5978, 6832, 7532, 8540, 9415, 10760, 11956, 13181, 14945, 15064, 16409, 17080, 18830, 21520, 23912, 26362, 29890, 30128, 32818, 34160, 37660, 47824, 52724, 59780, 65636, 65905, 75320, 82045, 105448, 114863, 119560, 131272, 131810, 150640, 164090, 210896, 229726, 239120, 262544, 263620, 328180, 459452, 527240, 574315, 656360, 804041, 918904, 1054480, 1148630, 1312720, 1608082, 1837808, 2297260, 3216164, 4020205, 4594520, 6432328, 8040410, 9189040, 12864656, 16080820, 32161640, 64323280]

約数ペア:

[(1, 64323280), (2, 32161640), (4, 16080820), (5, 12864656), (7, 9189040), (8, 8040410), (10, 6432328), (14, 4594520), (16, 4020205), (20, 3216164), (28, 2297260), (35, 1837808), (40, 1608082), (49, 1312720), (56, 1148630), (61, 1054480), (70, 918904), (80, 804041), (98, 656360), (112, 574315), (122, 527240), (140, 459452), (196, 328180), (244, 263620), (245, 262544), (269, 239120), (280, 229726), (305, 210896), (392, 164090), (427, 150640), (488, 131810), (490, 131272), (538, 119560), (560, 114863), (610, 105448), (784, 82045), (854, 75320), (976, 65905), (980, 65636), (1076, 59780), (1220, 52724), (1345, 47824), (1708, 37660), (1883, 34160), (1960, 32818), (2135, 30128), (2152, 29890), (2440, 26362), (2690, 23912), (2989, 21520), (3416, 18830), (3766, 17080), (3920, 16409), (4270, 15064), (4304, 14945), (4880, 13181), (5380, 11956), (5978, 10760), (6832, 9415), (7532, 8540)]