64318280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 156945600

約数和(自身を除く): 92627320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 179, 260, 358, 520, 691, 716, 895, 1382, 1432, 1790, 2327, 2764, 3455, 3580, 4654, 5528, 6910, 7160, 8983, 9308, 11635, 13820, 17966, 18616, 23270, 27640, 35932, 44915, 46540, 71864, 89830, 93080, 123689, 179660, 247378, 359320, 494756, 618445, 989512, 1236890, 1607957, 2473780, 3215914, 4947560, 6431828, 8039785, 12863656, 16079570, 32159140, 64318280]

約数ペア:

[(1, 64318280), (2, 32159140), (4, 16079570), (5, 12863656), (8, 8039785), (10, 6431828), (13, 4947560), (20, 3215914), (26, 2473780), (40, 1607957), (52, 1236890), (65, 989512), (104, 618445), (130, 494756), (179, 359320), (260, 247378), (358, 179660), (520, 123689), (691, 93080), (716, 89830), (895, 71864), (1382, 46540), (1432, 44915), (1790, 35932), (2327, 27640), (2764, 23270), (3455, 18616), (3580, 17966), (4654, 13820), (5528, 11635), (6910, 9308), (7160, 8983)]