68337320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 159952320

約数和(自身を除く): 91615000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 344, 430, 536, 593, 670, 860, 1186, 1340, 1720, 2372, 2680, 2881, 2965, 4744, 5762, 5930, 11524, 11860, 14405, 23048, 23720, 25499, 28810, 39731, 50998, 57620, 79462, 101996, 115240, 127495, 158924, 198655, 203992, 254990, 317848, 397310, 509980, 794620, 1019960, 1589240, 1708433, 3416866, 6833732, 8542165, 13667464, 17084330, 34168660, 68337320]

約数ペア:

[(1, 68337320), (2, 34168660), (4, 17084330), (5, 13667464), (8, 8542165), (10, 6833732), (20, 3416866), (40, 1708433), (43, 1589240), (67, 1019960), (86, 794620), (134, 509980), (172, 397310), (215, 317848), (268, 254990), (335, 203992), (344, 198655), (430, 158924), (536, 127495), (593, 115240), (670, 101996), (860, 79462), (1186, 57620), (1340, 50998), (1720, 39731), (2372, 28810), (2680, 25499), (2881, 23720), (2965, 23048), (4744, 14405), (5762, 11860), (5930, 11524)]