154880180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12157}}^1$

素因数の和:12193

約数の個数: 72

約数和(自身を含む): 407487528

約数和(自身を除く): 252607348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12157, 12740, 24314, 48628, 60785, 85099, 121570, 158041, 170198, 243140, 316082, 340396, 425495, 595693, 632164, 790205, 850990, 1106287, 1191386, 1580410, 1701980, 2212574, 2382772, 2978465, 3160820, 4425148, 5531435, 5956930, 7744009, 11062870, 11913860, 15488018, 22125740, 30976036, 38720045, 77440090, 154880180]

約数ペア:

[(1, 154880180), (2, 77440090), (4, 38720045), (5, 30976036), (7, 22125740), (10, 15488018), (13, 11913860), (14, 11062870), (20, 7744009), (26, 5956930), (28, 5531435), (35, 4425148), (49, 3160820), (52, 2978465), (65, 2382772), (70, 2212574), (91, 1701980), (98, 1580410), (130, 1191386), (140, 1106287), (182, 850990), (196, 790205), (245, 632164), (260, 595693), (364, 425495), (455, 340396), (490, 316082), (637, 243140), (910, 170198), (980, 158041), (1274, 121570), (1820, 85099), (2548, 60785), (3185, 48628), (6370, 24314), (12157, 12740)]