165755320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 382279680

約数和(自身を除く): 216524360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 127, 134, 254, 268, 335, 487, 508, 536, 635, 670, 974, 1016, 1270, 1340, 1948, 2435, 2540, 2680, 3896, 4870, 5080, 8509, 9740, 17018, 19480, 32629, 34036, 42545, 61849, 65258, 68072, 85090, 123698, 130516, 163145, 170180, 247396, 261032, 309245, 326290, 340360, 494792, 618490, 652580, 1236980, 1305160, 2473960, 4143883, 8287766, 16575532, 20719415, 33151064, 41438830, 82877660, 165755320]

約数ペア:

[(1, 165755320), (2, 82877660), (4, 41438830), (5, 33151064), (8, 20719415), (10, 16575532), (20, 8287766), (40, 4143883), (67, 2473960), (127, 1305160), (134, 1236980), (254, 652580), (268, 618490), (335, 494792), (487, 340360), (508, 326290), (536, 309245), (635, 261032), (670, 247396), (974, 170180), (1016, 163145), (1270, 130516), (1340, 123698), (1948, 85090), (2435, 68072), (2540, 65258), (2680, 61849), (3896, 42545), (4870, 34036), (5080, 32629), (8509, 19480), (9740, 17018)]