717502720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 1894052160

約数和(自身を除く): 1176549440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 131, 160, 176, 220, 256, 262, 320, 352, 389, 440, 524, 640, 655, 704, 778, 880, 1048, 1280, 1310, 1408, 1441, 1556, 1760, 1945, 2096, 2620, 2816, 2882, 3112, 3520, 3890, 4192, 4279, 5240, 5764, 6224, 7040, 7205, 7780, 8384, 8558, 10480, 11528, 12448, 14080, 14410, 15560, 16768, 17116, 20960, 21395, 23056, 24896, 28820, 31120, 33536, 34232, 41920, 42790, 46112, 49792, 50959, 57640, 62240, 68464, 83840, 85580, 92224, 99584, 101918, 115280, 124480, 136928, 167680, 171160, 184448, 203836, 230560, 248960, 254795, 273856, 342320, 368896, 407672, 461120, 497920, 509590, 547712, 560549, 684640, 815344, 922240, 1019180, 1095424, 1121098, 1369280, 1630688, 1844480, 2038360, 2242196, 2738560, 2802745, 3261376, 4076720, 4484392, 5477120, 5605490, 6522752, 8153440, 8968784, 11210980, 13045504, 16306880, 17937568, 22421960, 32613760, 35875136, 44843920, 65227520, 71750272, 89687840, 143500544, 179375680, 358751360, 717502720]

約数ペア:

[(1, 717502720), (2, 358751360), (4, 179375680), (5, 143500544), (8, 89687840), (10, 71750272), (11, 65227520), (16, 44843920), (20, 35875136), (22, 32613760), (32, 22421960), (40, 17937568), (44, 16306880), (55, 13045504), (64, 11210980), (80, 8968784), (88, 8153440), (110, 6522752), (128, 5605490), (131, 5477120), (160, 4484392), (176, 4076720), (220, 3261376), (256, 2802745), (262, 2738560), (320, 2242196), (352, 2038360), (389, 1844480), (440, 1630688), (524, 1369280), (640, 1121098), (655, 1095424), (704, 1019180), (778, 922240), (880, 815344), (1048, 684640), (1280, 560549), (1310, 547712), (1408, 509590), (1441, 497920), (1556, 461120), (1760, 407672), (1945, 368896), (2096, 342320), (2620, 273856), (2816, 254795), (2882, 248960), (3112, 230560), (3520, 203836), (3890, 184448), (4192, 171160), (4279, 167680), (5240, 136928), (5764, 124480), (6224, 115280), (7040, 101918), (7205, 99584), (7780, 92224), (8384, 85580), (8558, 83840), (10480, 68464), (11528, 62240), (12448, 57640), (14080, 50959), (14410, 49792), (15560, 46112), (16768, 42790), (17116, 41920), (20960, 34232), (21395, 33536), (23056, 31120), (24896, 28820)]