72791480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 168251040

約数和(自身を除く): 95459560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 157, 173, 268, 314, 335, 346, 536, 628, 670, 692, 785, 865, 1256, 1340, 1384, 1570, 1730, 2680, 3140, 3460, 6280, 6920, 10519, 11591, 21038, 23182, 27161, 42076, 46364, 52595, 54322, 57955, 84152, 92728, 105190, 108644, 115910, 135805, 210380, 217288, 231820, 271610, 420760, 463640, 543220, 1086440, 1819787, 3639574, 7279148, 9098935, 14558296, 18197870, 36395740, 72791480]

約数ペア:

[(1, 72791480), (2, 36395740), (4, 18197870), (5, 14558296), (8, 9098935), (10, 7279148), (20, 3639574), (40, 1819787), (67, 1086440), (134, 543220), (157, 463640), (173, 420760), (268, 271610), (314, 231820), (335, 217288), (346, 210380), (536, 135805), (628, 115910), (670, 108644), (692, 105190), (785, 92728), (865, 84152), (1256, 57955), (1340, 54322), (1384, 52595), (1570, 46364), (1730, 42076), (2680, 27161), (3140, 23182), (3460, 21038), (6280, 11591), (6920, 10519)]