165783040

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2143

約数の個数: 80

約数和(自身を含む): 410509440

約数和(自身を除く): 244726400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2089, 2480, 2560, 3968, 4178, 4960, 7936, 8356, 9920, 10445, 15872, 16712, 19840, 20890, 33424, 39680, 41780, 64759, 66848, 79360, 83560, 129518, 133696, 167120, 259036, 267392, 323795, 334240, 518072, 534784, 647590, 668480, 1036144, 1069568, 1295180, 1336960, 2072288, 2590360, 2673920, 4144576, 5180720, 5347840, 8289152, 10361440, 16578304, 20722880, 33156608, 41445760, 82891520, 165783040]

約数ペア:

[(1, 165783040), (2, 82891520), (4, 41445760), (5, 33156608), (8, 20722880), (10, 16578304), (16, 10361440), (20, 8289152), (31, 5347840), (32, 5180720), (40, 4144576), (62, 2673920), (64, 2590360), (80, 2072288), (124, 1336960), (128, 1295180), (155, 1069568), (160, 1036144), (248, 668480), (256, 647590), (310, 534784), (320, 518072), (496, 334240), (512, 323795), (620, 267392), (640, 259036), (992, 167120), (1240, 133696), (1280, 129518), (1984, 83560), (2089, 79360), (2480, 66848), (2560, 64759), (3968, 41780), (4178, 39680), (4960, 33424), (7936, 20890), (8356, 19840), (9920, 16712), (10445, 15872)]