209807280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:868

約数の個数: 160

約数和(自身を含む): 728971200

約数和(自身を除く): 519163920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 137, 144, 180, 216, 240, 270, 274, 360, 411, 432, 540, 548, 685, 709, 720, 822, 1080, 1096, 1233, 1370, 1418, 1644, 2055, 2127, 2160, 2192, 2466, 2740, 2836, 3288, 3545, 3699, 4110, 4254, 4932, 5480, 5672, 6165, 6381, 6576, 7090, 7398, 8220, 8508, 9864, 10635, 10960, 11344, 12330, 12762, 14180, 14796, 16440, 17016, 18495, 19143, 19728, 21270, 24660, 25524, 28360, 29592, 31905, 32880, 34032, 36990, 38286, 42540, 49320, 51048, 56720, 59184, 63810, 73980, 76572, 85080, 95715, 97133, 98640, 102096, 127620, 147960, 153144, 170160, 191430, 194266, 255240, 291399, 295920, 306288, 382860, 388532, 485665, 510480, 582798, 765720, 777064, 874197, 971330, 1165596, 1456995, 1531440, 1554128, 1748394, 1942660, 2331192, 2622591, 2913990, 3496788, 3885320, 4370985, 4662384, 5245182, 5827980, 6993576, 7770640, 8741970, 10490364, 11655960, 13112955, 13987152, 17483940, 20980728, 23311920, 26225910, 34967880, 41961456, 52451820, 69935760, 104903640, 209807280]

約数ペア:

[(1, 209807280), (2, 104903640), (3, 69935760), (4, 52451820), (5, 41961456), (6, 34967880), (8, 26225910), (9, 23311920), (10, 20980728), (12, 17483940), (15, 13987152), (16, 13112955), (18, 11655960), (20, 10490364), (24, 8741970), (27, 7770640), (30, 6993576), (36, 5827980), (40, 5245182), (45, 4662384), (48, 4370985), (54, 3885320), (60, 3496788), (72, 2913990), (80, 2622591), (90, 2331192), (108, 1942660), (120, 1748394), (135, 1554128), (137, 1531440), (144, 1456995), (180, 1165596), (216, 971330), (240, 874197), (270, 777064), (274, 765720), (360, 582798), (411, 510480), (432, 485665), (540, 388532), (548, 382860), (685, 306288), (709, 295920), (720, 291399), (822, 255240), (1080, 194266), (1096, 191430), (1233, 170160), (1370, 153144), (1418, 147960), (1644, 127620), (2055, 102096), (2127, 98640), (2160, 97133), (2192, 95715), (2466, 85080), (2740, 76572), (2836, 73980), (3288, 63810), (3545, 59184), (3699, 56720), (4110, 51048), (4254, 49320), (4932, 42540), (5480, 38286), (5672, 36990), (6165, 34032), (6381, 32880), (6576, 31905), (7090, 29592), (7398, 28360), (8220, 25524), (8508, 24660), (9864, 21270), (10635, 19728), (10960, 19143), (11344, 18495), (12330, 17016), (12762, 16440), (14180, 14796)]