21620400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:483

約数の個数: 120

約数和(自身を含む): 71037120

約数和(自身を除く): 49416720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 43, 48, 50, 60, 75, 80, 86, 100, 120, 129, 150, 172, 200, 215, 240, 258, 300, 344, 400, 419, 430, 516, 600, 645, 688, 838, 860, 1032, 1075, 1200, 1257, 1290, 1676, 1720, 2064, 2095, 2150, 2514, 2580, 3225, 3352, 3440, 4190, 4300, 5028, 5160, 6285, 6450, 6704, 8380, 8600, 10056, 10320, 10475, 12570, 12900, 16760, 17200, 18017, 20112, 20950, 25140, 25800, 31425, 33520, 36034, 41900, 50280, 51600, 54051, 62850, 72068, 83800, 90085, 100560, 108102, 125700, 144136, 167600, 180170, 216204, 251400, 270255, 288272, 360340, 432408, 450425, 502800, 540510, 720680, 864816, 900850, 1081020, 1351275, 1441360, 1801700, 2162040, 2702550, 3603400, 4324080, 5405100, 7206800, 10810200, 21620400]

約数ペア:

[(1, 21620400), (2, 10810200), (3, 7206800), (4, 5405100), (5, 4324080), (6, 3603400), (8, 2702550), (10, 2162040), (12, 1801700), (15, 1441360), (16, 1351275), (20, 1081020), (24, 900850), (25, 864816), (30, 720680), (40, 540510), (43, 502800), (48, 450425), (50, 432408), (60, 360340), (75, 288272), (80, 270255), (86, 251400), (100, 216204), (120, 180170), (129, 167600), (150, 144136), (172, 125700), (200, 108102), (215, 100560), (240, 90085), (258, 83800), (300, 72068), (344, 62850), (400, 54051), (419, 51600), (430, 50280), (516, 41900), (600, 36034), (645, 33520), (688, 31425), (838, 25800), (860, 25140), (1032, 20950), (1075, 20112), (1200, 18017), (1257, 17200), (1290, 16760), (1676, 12900), (1720, 12570), (2064, 10475), (2095, 10320), (2150, 10056), (2514, 8600), (2580, 8380), (3225, 6704), (3352, 6450), (3440, 6285), (4190, 5160), (4300, 5028)]