81916560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10343}}^1$

素因数の和:10373

約数の個数: 120

約数和(自身を含む): 300141504

約数和(自身を除く): 218224944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 10343, 20686, 31029, 41372, 51715, 62058, 82744, 93087, 103430, 113773, 124116, 155145, 165488, 186174, 206860, 227546, 248232, 310290, 341319, 372348, 413720, 455092, 465435, 496464, 568865, 620580, 682638, 744696, 827440, 910184, 930870, 1023957, 1137730, 1241160, 1365276, 1489392, 1706595, 1820368, 1861740, 2047914, 2275460, 2482320, 2730552, 3413190, 3723480, 4095828, 4550920, 5119785, 5461104, 6826380, 7446960, 8191656, 9101840, 10239570, 13652760, 16383312, 20479140, 27305520, 40958280, 81916560]

約数ペア:

[(1, 81916560), (2, 40958280), (3, 27305520), (4, 20479140), (5, 16383312), (6, 13652760), (8, 10239570), (9, 9101840), (10, 8191656), (11, 7446960), (12, 6826380), (15, 5461104), (16, 5119785), (18, 4550920), (20, 4095828), (22, 3723480), (24, 3413190), (30, 2730552), (33, 2482320), (36, 2275460), (40, 2047914), (44, 1861740), (45, 1820368), (48, 1706595), (55, 1489392), (60, 1365276), (66, 1241160), (72, 1137730), (80, 1023957), (88, 930870), (90, 910184), (99, 827440), (110, 744696), (120, 682638), (132, 620580), (144, 568865), (165, 496464), (176, 465435), (180, 455092), (198, 413720), (220, 372348), (240, 341319), (264, 310290), (330, 248232), (360, 227546), (396, 206860), (440, 186174), (495, 165488), (528, 155145), (660, 124116), (720, 113773), (792, 103430), (880, 93087), (990, 82744), (1320, 62058), (1584, 51715), (1980, 41372), (2640, 31029), (3960, 20686), (7920, 10343)]