678990080

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27919}}^1$

素因数の和:27959

約数の個数: 72

約数和(自身を含む): 1712054400

約数和(自身を除く): 1033064320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 24320, 27919, 55838, 111676, 139595, 223352, 279190, 446704, 530461, 558380, 893408, 1060922, 1116760, 1786816, 2121844, 2233520, 2652305, 3573632, 4243688, 4467040, 5304610, 7147264, 8487376, 8934080, 10609220, 16974752, 17868160, 21218440, 33949504, 35736320, 42436880, 67899008, 84873760, 135798016, 169747520, 339495040, 678990080]

約数ペア:

[(1, 678990080), (2, 339495040), (4, 169747520), (5, 135798016), (8, 84873760), (10, 67899008), (16, 42436880), (19, 35736320), (20, 33949504), (32, 21218440), (38, 17868160), (40, 16974752), (64, 10609220), (76, 8934080), (80, 8487376), (95, 7147264), (128, 5304610), (152, 4467040), (160, 4243688), (190, 3573632), (256, 2652305), (304, 2233520), (320, 2121844), (380, 1786816), (608, 1116760), (640, 1060922), (760, 893408), (1216, 558380), (1280, 530461), (1520, 446704), (2432, 279190), (3040, 223352), (4864, 139595), (6080, 111676), (12160, 55838), (24320, 27919)]