211344840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11981}}^1$

素因数の和:12012

約数の個数: 144

約数和(自身を含む): 799079580

約数和(自身を除く): 587734740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 11981, 17640, 23962, 35943, 47924, 59905, 71886, 83867, 95848, 107829, 119810, 143772, 167734, 179715, 215658, 239620, 251601, 287544, 335468, 359430, 419335, 431316, 479240, 503202, 539145, 587069, 670936, 718860, 754803, 838670, 862632, 1006404, 1078290, 1174138, 1258005, 1437720, 1509606, 1677340, 1761207, 2012808, 2156580, 2348276, 2516010, 2935345, 3019212, 3354680, 3522414, 3774015, 4313160, 4696552, 5032020, 5283621, 5870690, 6038424, 7044828, 7548030, 8806035, 10064040, 10567242, 11741380, 14089656, 15096060, 17612070, 21134484, 23482760, 26418105, 30192120, 35224140, 42268968, 52836210, 70448280, 105672420, 211344840]

約数ペア:

[(1, 211344840), (2, 105672420), (3, 70448280), (4, 52836210), (5, 42268968), (6, 35224140), (7, 30192120), (8, 26418105), (9, 23482760), (10, 21134484), (12, 17612070), (14, 15096060), (15, 14089656), (18, 11741380), (20, 10567242), (21, 10064040), (24, 8806035), (28, 7548030), (30, 7044828), (35, 6038424), (36, 5870690), (40, 5283621), (42, 5032020), (45, 4696552), (49, 4313160), (56, 3774015), (60, 3522414), (63, 3354680), (70, 3019212), (72, 2935345), (84, 2516010), (90, 2348276), (98, 2156580), (105, 2012808), (120, 1761207), (126, 1677340), (140, 1509606), (147, 1437720), (168, 1258005), (180, 1174138), (196, 1078290), (210, 1006404), (245, 862632), (252, 838670), (280, 754803), (294, 718860), (315, 670936), (360, 587069), (392, 539145), (420, 503202), (441, 479240), (490, 431316), (504, 419335), (588, 359430), (630, 335468), (735, 287544), (840, 251601), (882, 239620), (980, 215658), (1176, 179715), (1260, 167734), (1470, 143772), (1764, 119810), (1960, 107829), (2205, 95848), (2520, 83867), (2940, 71886), (3528, 59905), (4410, 47924), (5880, 35943), (8820, 23962), (11981, 17640)]