81845280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5167}}^1$

素因数の和:5199

約数の個数: 144

約数和(自身を含む): 304746624

約数和(自身を除く): 222901344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5167, 5280, 7920, 10334, 15501, 15840, 20668, 25835, 31002, 41336, 46503, 51670, 56837, 62004, 77505, 82672, 93006, 103340, 113674, 124008, 155010, 165344, 170511, 186012, 206680, 227348, 232515, 248016, 284185, 310020, 341022, 372024, 413360, 454696, 465030, 496032, 511533, 568370, 620040, 682044, 744048, 826720, 852555, 909392, 930060, 1023066, 1136740, 1240080, 1364088, 1488096, 1705110, 1818784, 1860120, 2046132, 2273480, 2480160, 2557665, 2728176, 3410220, 3720240, 4092264, 4546960, 5115330, 5456352, 6820440, 7440480, 8184528, 9093920, 10230660, 13640880, 16369056, 20461320, 27281760, 40922640, 81845280]

約数ペア:

[(1, 81845280), (2, 40922640), (3, 27281760), (4, 20461320), (5, 16369056), (6, 13640880), (8, 10230660), (9, 9093920), (10, 8184528), (11, 7440480), (12, 6820440), (15, 5456352), (16, 5115330), (18, 4546960), (20, 4092264), (22, 3720240), (24, 3410220), (30, 2728176), (32, 2557665), (33, 2480160), (36, 2273480), (40, 2046132), (44, 1860120), (45, 1818784), (48, 1705110), (55, 1488096), (60, 1364088), (66, 1240080), (72, 1136740), (80, 1023066), (88, 930060), (90, 909392), (96, 852555), (99, 826720), (110, 744048), (120, 682044), (132, 620040), (144, 568370), (160, 511533), (165, 496032), (176, 465030), (180, 454696), (198, 413360), (220, 372024), (240, 341022), (264, 310020), (288, 284185), (330, 248016), (352, 232515), (360, 227348), (396, 206680), (440, 186012), (480, 170511), (495, 165344), (528, 155010), (660, 124008), (720, 113674), (792, 103340), (880, 93006), (990, 82672), (1056, 77505), (1320, 62004), (1440, 56837), (1584, 51670), (1760, 46503), (1980, 41336), (2640, 31002), (3168, 25835), (3960, 20668), (5167, 15840), (5280, 15501), (7920, 10334)]