2540630988

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{2437}}^1$

素因数の和:2661

約数の個数: 144

約数和(自身を含む): 7704275040

約数和(自身を除く): 5163644052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 197, 252, 294, 378, 394, 441, 588, 591, 756, 788, 882, 1182, 1323, 1379, 1764, 1773, 2364, 2437, 2646, 2758, 3546, 4137, 4874, 5292, 5319, 5516, 7092, 7311, 8274, 9653, 9748, 10638, 12411, 14622, 16548, 17059, 19306, 21276, 21933, 24822, 28959, 29244, 34118, 37233, 38612, 43866, 49644, 51177, 57918, 65799, 68236, 74466, 86877, 87732, 102354, 115836, 119413, 131598, 148932, 153531, 173754, 204708, 238826, 260631, 263196, 307062, 347508, 358239, 460593, 477652, 480089, 521262, 614124, 716478, 921186, 960178, 1042524, 1074717, 1432956, 1440267, 1842372, 1920356, 2149434, 2880534, 3224151, 3360623, 4298868, 4320801, 5761068, 6448302, 6721246, 8641602, 10081869, 12896604, 12962403, 13442492, 17283204, 20163738, 23524361, 25924806, 30245607, 40327476, 47048722, 51849612, 60491214, 70573083, 90736821, 94097444, 120982428, 141146166, 181473642, 211719249, 282292332, 362947284, 423438498, 635157747, 846876996, 1270315494, 2540630988]

約数ペア:

[(1, 2540630988), (2, 1270315494), (3, 846876996), (4, 635157747), (6, 423438498), (7, 362947284), (9, 282292332), (12, 211719249), (14, 181473642), (18, 141146166), (21, 120982428), (27, 94097444), (28, 90736821), (36, 70573083), (42, 60491214), (49, 51849612), (54, 47048722), (63, 40327476), (84, 30245607), (98, 25924806), (108, 23524361), (126, 20163738), (147, 17283204), (189, 13442492), (196, 12962403), (197, 12896604), (252, 10081869), (294, 8641602), (378, 6721246), (394, 6448302), (441, 5761068), (588, 4320801), (591, 4298868), (756, 3360623), (788, 3224151), (882, 2880534), (1182, 2149434), (1323, 1920356), (1379, 1842372), (1764, 1440267), (1773, 1432956), (2364, 1074717), (2437, 1042524), (2646, 960178), (2758, 921186), (3546, 716478), (4137, 614124), (4874, 521262), (5292, 480089), (5319, 477652), (5516, 460593), (7092, 358239), (7311, 347508), (8274, 307062), (9653, 263196), (9748, 260631), (10638, 238826), (12411, 204708), (14622, 173754), (16548, 153531), (17059, 148932), (19306, 131598), (21276, 119413), (21933, 115836), (24822, 102354), (28959, 87732), (29244, 86877), (34118, 74466), (37233, 68236), (38612, 65799), (43866, 57918), (49644, 51177)]