87320415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 188116992

約数和(自身を除く): 100796577

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 53, 65, 71, 85, 91, 105, 119, 159, 195, 213, 221, 255, 265, 273, 355, 357, 371, 455, 497, 595, 663, 689, 795, 901, 923, 1065, 1105, 1113, 1207, 1365, 1491, 1547, 1785, 1855, 2067, 2485, 2703, 2769, 3315, 3445, 3621, 3763, 4505, 4615, 4641, 4823, 5565, 6035, 6307, 6461, 7455, 7735, 8449, 10335, 11289, 11713, 13515, 13845, 14469, 15691, 18105, 18815, 18921, 19383, 23205, 24115, 25347, 26341, 31535, 32305, 35139, 42245, 47073, 48919, 56445, 58565, 63971, 72345, 78455, 79023, 81991, 94605, 96915, 109837, 126735, 131705, 146757, 175695, 191913, 235365, 244595, 245973, 319855, 329511, 342433, 395115, 409955, 447797, 549185, 733785, 831623, 959565, 1027299, 1229865, 1343391, 1647555, 1712165, 2238985, 2494869, 4158115, 5136495, 5821361, 6716955, 12474345, 17464083, 29106805, 87320415]

約数ペア:

[(1, 87320415), (3, 29106805), (5, 17464083), (7, 12474345), (13, 6716955), (15, 5821361), (17, 5136495), (21, 4158115), (35, 2494869), (39, 2238985), (51, 1712165), (53, 1647555), (65, 1343391), (71, 1229865), (85, 1027299), (91, 959565), (105, 831623), (119, 733785), (159, 549185), (195, 447797), (213, 409955), (221, 395115), (255, 342433), (265, 329511), (273, 319855), (355, 245973), (357, 244595), (371, 235365), (455, 191913), (497, 175695), (595, 146757), (663, 131705), (689, 126735), (795, 109837), (901, 96915), (923, 94605), (1065, 81991), (1105, 79023), (1113, 78455), (1207, 72345), (1365, 63971), (1491, 58565), (1547, 56445), (1785, 48919), (1855, 47073), (2067, 42245), (2485, 35139), (2703, 32305), (2769, 31535), (3315, 26341), (3445, 25347), (3621, 24115), (3763, 23205), (4505, 19383), (4615, 18921), (4641, 18815), (4823, 18105), (5565, 15691), (6035, 14469), (6307, 13845), (6461, 13515), (7455, 11713), (7735, 11289), (8449, 10335)]