77580280

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 180403200

約数和(自身を除く): 102822920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 236, 284, 295, 355, 463, 472, 568, 590, 710, 926, 1180, 1420, 1852, 2315, 2360, 2840, 3704, 4189, 4630, 8378, 9260, 16756, 18520, 20945, 27317, 32873, 33512, 41890, 54634, 65746, 83780, 109268, 131492, 136585, 164365, 167560, 218536, 262984, 273170, 328730, 546340, 657460, 1092680, 1314920, 1939507, 3879014, 7758028, 9697535, 15516056, 19395070, 38790140, 77580280]

約数ペア:

[(1, 77580280), (2, 38790140), (4, 19395070), (5, 15516056), (8, 9697535), (10, 7758028), (20, 3879014), (40, 1939507), (59, 1314920), (71, 1092680), (118, 657460), (142, 546340), (236, 328730), (284, 273170), (295, 262984), (355, 218536), (463, 167560), (472, 164365), (568, 136585), (590, 131492), (710, 109268), (926, 83780), (1180, 65746), (1420, 54634), (1852, 41890), (2315, 33512), (2360, 32873), (2840, 27317), (3704, 20945), (4189, 18520), (4630, 16756), (8378, 9260)]