208243710

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 603006768

約数和(自身を除く): 394763058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 71, 81, 85, 90, 102, 135, 142, 153, 162, 170, 213, 243, 255, 270, 306, 355, 405, 426, 459, 486, 510, 639, 710, 765, 810, 918, 1065, 1207, 1215, 1278, 1377, 1530, 1917, 2130, 2295, 2414, 2430, 2754, 3195, 3621, 3834, 4131, 4590, 5041, 5751, 6035, 6390, 6885, 7242, 8262, 9585, 10082, 10863, 11502, 12070, 13770, 15123, 17253, 18105, 19170, 20655, 21726, 25205, 28755, 30246, 32589, 34506, 36210, 41310, 45369, 50410, 54315, 57510, 65178, 75615, 85697, 86265, 90738, 97767, 108630, 136107, 151230, 162945, 171394, 172530, 195534, 226845, 257091, 272214, 293301, 325890, 408321, 428485, 453690, 488835, 514182, 586602, 680535, 771273, 816642, 856970, 977670, 1224963, 1285455, 1361070, 1466505, 1542546, 2041605, 2313819, 2449926, 2570910, 2933010, 3856365, 4083210, 4627638, 6124815, 6941457, 7712730, 11569095, 12249630, 13882914, 20824371, 23138190, 34707285, 41648742, 69414570, 104121855, 208243710]

約数ペア:

[(1, 208243710), (2, 104121855), (3, 69414570), (5, 41648742), (6, 34707285), (9, 23138190), (10, 20824371), (15, 13882914), (17, 12249630), (18, 11569095), (27, 7712730), (30, 6941457), (34, 6124815), (45, 4627638), (51, 4083210), (54, 3856365), (71, 2933010), (81, 2570910), (85, 2449926), (90, 2313819), (102, 2041605), (135, 1542546), (142, 1466505), (153, 1361070), (162, 1285455), (170, 1224963), (213, 977670), (243, 856970), (255, 816642), (270, 771273), (306, 680535), (355, 586602), (405, 514182), (426, 488835), (459, 453690), (486, 428485), (510, 408321), (639, 325890), (710, 293301), (765, 272214), (810, 257091), (918, 226845), (1065, 195534), (1207, 172530), (1215, 171394), (1278, 162945), (1377, 151230), (1530, 136107), (1917, 108630), (2130, 97767), (2295, 90738), (2414, 86265), (2430, 85697), (2754, 75615), (3195, 65178), (3621, 57510), (3834, 54315), (4131, 50410), (4590, 45369), (5041, 41310), (5751, 36210), (6035, 34506), (6390, 32589), (6885, 30246), (7242, 28755), (8262, 25205), (9585, 21726), (10082, 20655), (10863, 19170), (11502, 18105), (12070, 17253), (13770, 15123)]