28026540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 95800320

約数和(自身を除く): 67773780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 43, 45, 51, 54, 60, 68, 71, 85, 86, 90, 102, 108, 129, 135, 142, 153, 170, 172, 180, 204, 213, 215, 255, 258, 270, 284, 306, 340, 355, 387, 426, 430, 459, 510, 516, 540, 612, 639, 645, 710, 731, 765, 774, 852, 860, 918, 1020, 1065, 1161, 1207, 1278, 1290, 1420, 1462, 1530, 1548, 1836, 1917, 1935, 2130, 2193, 2295, 2322, 2414, 2556, 2580, 2924, 3053, 3060, 3195, 3621, 3655, 3834, 3870, 4260, 4386, 4590, 4644, 4828, 5805, 6035, 6106, 6390, 6579, 7242, 7310, 7668, 7740, 8772, 9159, 9180, 9585, 10863, 10965, 11610, 12070, 12212, 12780, 13158, 14484, 14620, 15265, 18105, 18318, 19170, 19737, 21726, 21930, 23220, 24140, 26316, 27477, 30530, 32589, 32895, 36210, 36636, 38340, 39474, 43452, 43860, 45795, 51901, 54315, 54954, 61060, 65178, 65790, 72420, 78948, 82431, 91590, 98685, 103802, 108630, 109908, 130356, 131580, 137385, 155703, 162945, 164862, 183180, 197370, 207604, 217260, 259505, 274770, 311406, 325890, 329724, 394740, 412155, 467109, 519010, 549540, 622812, 651780, 778515, 824310, 934218, 1038020, 1401327, 1557030, 1648620, 1868436, 2335545, 2802654, 3114060, 4671090, 5605308, 7006635, 9342180, 14013270, 28026540]

約数ペア:

[(1, 28026540), (2, 14013270), (3, 9342180), (4, 7006635), (5, 5605308), (6, 4671090), (9, 3114060), (10, 2802654), (12, 2335545), (15, 1868436), (17, 1648620), (18, 1557030), (20, 1401327), (27, 1038020), (30, 934218), (34, 824310), (36, 778515), (43, 651780), (45, 622812), (51, 549540), (54, 519010), (60, 467109), (68, 412155), (71, 394740), (85, 329724), (86, 325890), (90, 311406), (102, 274770), (108, 259505), (129, 217260), (135, 207604), (142, 197370), (153, 183180), (170, 164862), (172, 162945), (180, 155703), (204, 137385), (213, 131580), (215, 130356), (255, 109908), (258, 108630), (270, 103802), (284, 98685), (306, 91590), (340, 82431), (355, 78948), (387, 72420), (426, 65790), (430, 65178), (459, 61060), (510, 54954), (516, 54315), (540, 51901), (612, 45795), (639, 43860), (645, 43452), (710, 39474), (731, 38340), (765, 36636), (774, 36210), (852, 32895), (860, 32589), (918, 30530), (1020, 27477), (1065, 26316), (1161, 24140), (1207, 23220), (1278, 21930), (1290, 21726), (1420, 19737), (1462, 19170), (1530, 18318), (1548, 18105), (1836, 15265), (1917, 14620), (1935, 14484), (2130, 13158), (2193, 12780), (2295, 12212), (2322, 12070), (2414, 11610), (2556, 10965), (2580, 10863), (2924, 9585), (3053, 9180), (3060, 9159), (3195, 8772), (3621, 7740), (3655, 7668), (3834, 7310), (3870, 7242), (4260, 6579), (4386, 6390), (4590, 6106), (4644, 6035), (4828, 5805)]