84315280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 231166008

約数和(自身を除く): 146850728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 137, 140, 157, 196, 245, 274, 280, 314, 392, 490, 548, 560, 628, 685, 784, 785, 959, 980, 1096, 1099, 1256, 1370, 1570, 1918, 1960, 2192, 2198, 2512, 2740, 3140, 3836, 3920, 4396, 4795, 5480, 5495, 6280, 6713, 7672, 7693, 8792, 9590, 10960, 10990, 12560, 13426, 15344, 15386, 17584, 19180, 21509, 21980, 26852, 30772, 33565, 38360, 38465, 43018, 43960, 53704, 61544, 67130, 76720, 76930, 86036, 87920, 107408, 107545, 123088, 134260, 150563, 153860, 172072, 215090, 268520, 301126, 307720, 344144, 430180, 537040, 602252, 615440, 752815, 860360, 1053941, 1204504, 1505630, 1720720, 2107882, 2409008, 3011260, 4215764, 5269705, 6022520, 8431528, 10539410, 12045040, 16863056, 21078820, 42157640, 84315280]

約数ペア:

[(1, 84315280), (2, 42157640), (4, 21078820), (5, 16863056), (7, 12045040), (8, 10539410), (10, 8431528), (14, 6022520), (16, 5269705), (20, 4215764), (28, 3011260), (35, 2409008), (40, 2107882), (49, 1720720), (56, 1505630), (70, 1204504), (80, 1053941), (98, 860360), (112, 752815), (137, 615440), (140, 602252), (157, 537040), (196, 430180), (245, 344144), (274, 307720), (280, 301126), (314, 268520), (392, 215090), (490, 172072), (548, 153860), (560, 150563), (628, 134260), (685, 123088), (784, 107545), (785, 107408), (959, 87920), (980, 86036), (1096, 76930), (1099, 76720), (1256, 67130), (1370, 61544), (1570, 53704), (1918, 43960), (1960, 43018), (2192, 38465), (2198, 38360), (2512, 33565), (2740, 30772), (3140, 26852), (3836, 21980), (3920, 21509), (4396, 19180), (4795, 17584), (5480, 15386), (5495, 15344), (6280, 13426), (6713, 12560), (7672, 10990), (7693, 10960), (8792, 9590)]