27823180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 77565600

約数和(自身を除く): 49742420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 49, 55, 58, 70, 77, 89, 98, 110, 116, 140, 145, 154, 178, 196, 203, 220, 245, 290, 308, 319, 356, 385, 406, 445, 490, 539, 580, 623, 638, 770, 812, 890, 979, 980, 1015, 1078, 1246, 1276, 1421, 1540, 1595, 1780, 1958, 2030, 2156, 2233, 2492, 2581, 2695, 2842, 3115, 3190, 3916, 4060, 4361, 4466, 4895, 5162, 5390, 5684, 6230, 6380, 6853, 7105, 8722, 8932, 9790, 10324, 10780, 11165, 12460, 12905, 13706, 14210, 15631, 17444, 18067, 19580, 21805, 22330, 25810, 27412, 28391, 28420, 31262, 34265, 36134, 43610, 44660, 47971, 51620, 56782, 62524, 68530, 72268, 78155, 87220, 90335, 95942, 113564, 126469, 137060, 141955, 156310, 180670, 191884, 198737, 239855, 252938, 283910, 312620, 361340, 397474, 479710, 505876, 567820, 632345, 794948, 959420, 993685, 1264690, 1391159, 1987370, 2529380, 2782318, 3974740, 5564636, 6955795, 13911590, 27823180]

約数ペア:

[(1, 27823180), (2, 13911590), (4, 6955795), (5, 5564636), (7, 3974740), (10, 2782318), (11, 2529380), (14, 1987370), (20, 1391159), (22, 1264690), (28, 993685), (29, 959420), (35, 794948), (44, 632345), (49, 567820), (55, 505876), (58, 479710), (70, 397474), (77, 361340), (89, 312620), (98, 283910), (110, 252938), (116, 239855), (140, 198737), (145, 191884), (154, 180670), (178, 156310), (196, 141955), (203, 137060), (220, 126469), (245, 113564), (290, 95942), (308, 90335), (319, 87220), (356, 78155), (385, 72268), (406, 68530), (445, 62524), (490, 56782), (539, 51620), (580, 47971), (623, 44660), (638, 43610), (770, 36134), (812, 34265), (890, 31262), (979, 28420), (980, 28391), (1015, 27412), (1078, 25810), (1246, 22330), (1276, 21805), (1421, 19580), (1540, 18067), (1595, 17444), (1780, 15631), (1958, 14210), (2030, 13706), (2156, 12905), (2233, 12460), (2492, 11165), (2581, 10780), (2695, 10324), (2842, 9790), (3115, 8932), (3190, 8722), (3916, 7105), (4060, 6853), (4361, 6380), (4466, 6230), (4895, 5684), (5162, 5390)]