21560400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 180

約数和(自身を含む): 76906908

約数和(自身を除く): 55346508

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 53, 60, 72, 75, 80, 90, 100, 106, 113, 120, 144, 150, 159, 180, 200, 212, 225, 226, 240, 265, 300, 318, 339, 360, 400, 424, 450, 452, 477, 530, 565, 600, 636, 678, 720, 795, 848, 900, 904, 954, 1017, 1060, 1130, 1200, 1272, 1325, 1356, 1590, 1695, 1800, 1808, 1908, 2034, 2120, 2260, 2385, 2544, 2650, 2712, 2825, 3180, 3390, 3600, 3816, 3975, 4068, 4240, 4520, 4770, 5085, 5300, 5424, 5650, 5989, 6360, 6780, 7632, 7950, 8136, 8475, 9040, 9540, 10170, 10600, 11300, 11925, 11978, 12720, 13560, 15900, 16272, 16950, 17967, 19080, 20340, 21200, 22600, 23850, 23956, 25425, 27120, 29945, 31800, 33900, 35934, 38160, 40680, 45200, 47700, 47912, 50850, 53901, 59890, 63600, 67800, 71868, 81360, 89835, 95400, 95824, 101700, 107802, 119780, 135600, 143736, 149725, 179670, 190800, 203400, 215604, 239560, 269505, 287472, 299450, 359340, 406800, 431208, 449175, 479120, 539010, 598900, 718680, 862416, 898350, 1078020, 1197800, 1347525, 1437360, 1796700, 2156040, 2395600, 2695050, 3593400, 4312080, 5390100, 7186800, 10780200, 21560400]

約数ペア:

[(1, 21560400), (2, 10780200), (3, 7186800), (4, 5390100), (5, 4312080), (6, 3593400), (8, 2695050), (9, 2395600), (10, 2156040), (12, 1796700), (15, 1437360), (16, 1347525), (18, 1197800), (20, 1078020), (24, 898350), (25, 862416), (30, 718680), (36, 598900), (40, 539010), (45, 479120), (48, 449175), (50, 431208), (53, 406800), (60, 359340), (72, 299450), (75, 287472), (80, 269505), (90, 239560), (100, 215604), (106, 203400), (113, 190800), (120, 179670), (144, 149725), (150, 143736), (159, 135600), (180, 119780), (200, 107802), (212, 101700), (225, 95824), (226, 95400), (240, 89835), (265, 81360), (300, 71868), (318, 67800), (339, 63600), (360, 59890), (400, 53901), (424, 50850), (450, 47912), (452, 47700), (477, 45200), (530, 40680), (565, 38160), (600, 35934), (636, 33900), (678, 31800), (720, 29945), (795, 27120), (848, 25425), (900, 23956), (904, 23850), (954, 22600), (1017, 21200), (1060, 20340), (1130, 19080), (1200, 17967), (1272, 16950), (1325, 16272), (1356, 15900), (1590, 13560), (1695, 12720), (1800, 11978), (1808, 11925), (1908, 11300), (2034, 10600), (2120, 10170), (2260, 9540), (2385, 9040), (2544, 8475), (2650, 8136), (2712, 7950), (2825, 7632), (3180, 6780), (3390, 6360), (3600, 5989), (3816, 5650), (3975, 5424), (4068, 5300), (4240, 5085), (4520, 4770)]