168555320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 387828000

約数和(自身を除く): 219272680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 113, 178, 226, 356, 419, 445, 452, 565, 712, 838, 890, 904, 1130, 1676, 1780, 2095, 2260, 3352, 3560, 4190, 4520, 8380, 10057, 16760, 20114, 37291, 40228, 47347, 50285, 74582, 80456, 94694, 100570, 149164, 186455, 189388, 201140, 236735, 298328, 372910, 378776, 402280, 473470, 745820, 946940, 1491640, 1893880, 4213883, 8427766, 16855532, 21069415, 33711064, 42138830, 84277660, 168555320]

約数ペア:

[(1, 168555320), (2, 84277660), (4, 42138830), (5, 33711064), (8, 21069415), (10, 16855532), (20, 8427766), (40, 4213883), (89, 1893880), (113, 1491640), (178, 946940), (226, 745820), (356, 473470), (419, 402280), (445, 378776), (452, 372910), (565, 298328), (712, 236735), (838, 201140), (890, 189388), (904, 186455), (1130, 149164), (1676, 100570), (1780, 94694), (2095, 80456), (2260, 74582), (3352, 50285), (3560, 47347), (4190, 40228), (4520, 37291), (8380, 20114), (10057, 16760)]