161067760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4051}}^1$

素因数の和:4142

約数の個数: 80

約数和(自身を含む): 434115072

約数和(自身を除く): 273047312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4051, 4970, 5680, 7952, 8102, 9940, 16204, 19880, 20255, 28357, 32408, 39760, 40510, 56714, 64816, 81020, 113428, 141785, 162040, 226856, 283570, 287621, 324080, 453712, 567140, 575242, 1134280, 1150484, 1438105, 2013347, 2268560, 2300968, 2876210, 4026694, 4601936, 5752420, 8053388, 10066735, 11504840, 16106776, 20133470, 23009680, 32213552, 40266940, 80533880, 161067760]

約数ペア:

[(1, 161067760), (2, 80533880), (4, 40266940), (5, 32213552), (7, 23009680), (8, 20133470), (10, 16106776), (14, 11504840), (16, 10066735), (20, 8053388), (28, 5752420), (35, 4601936), (40, 4026694), (56, 2876210), (70, 2300968), (71, 2268560), (80, 2013347), (112, 1438105), (140, 1150484), (142, 1134280), (280, 575242), (284, 567140), (355, 453712), (497, 324080), (560, 287621), (568, 283570), (710, 226856), (994, 162040), (1136, 141785), (1420, 113428), (1988, 81020), (2485, 64816), (2840, 56714), (3976, 40510), (4051, 39760), (4970, 32408), (5680, 28357), (7952, 20255), (8102, 19880), (9940, 16204)]