199505520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1111

約数の個数: 120

約数和(自身を含む): 672648912

約数和(自身を除く): 473143392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 401, 691, 720, 802, 1203, 1382, 1604, 2005, 2073, 2406, 2764, 3208, 3455, 3609, 4010, 4146, 4812, 5528, 6015, 6219, 6416, 6910, 7218, 8020, 8292, 9624, 10365, 11056, 12030, 12438, 13820, 14436, 16040, 16584, 18045, 19248, 20730, 24060, 24876, 27640, 28872, 31095, 32080, 33168, 36090, 41460, 48120, 49752, 55280, 57744, 62190, 72180, 82920, 96240, 99504, 124380, 144360, 165840, 248760, 277091, 288720, 497520, 554182, 831273, 1108364, 1385455, 1662546, 2216728, 2493819, 2770910, 3325092, 4156365, 4433456, 4987638, 5541820, 6650184, 8312730, 9975276, 11083640, 12469095, 13300368, 16625460, 19950552, 22167280, 24938190, 33250920, 39901104, 49876380, 66501840, 99752760, 199505520]

約数ペア:

[(1, 199505520), (2, 99752760), (3, 66501840), (4, 49876380), (5, 39901104), (6, 33250920), (8, 24938190), (9, 22167280), (10, 19950552), (12, 16625460), (15, 13300368), (16, 12469095), (18, 11083640), (20, 9975276), (24, 8312730), (30, 6650184), (36, 5541820), (40, 4987638), (45, 4433456), (48, 4156365), (60, 3325092), (72, 2770910), (80, 2493819), (90, 2216728), (120, 1662546), (144, 1385455), (180, 1108364), (240, 831273), (360, 554182), (401, 497520), (691, 288720), (720, 277091), (802, 248760), (1203, 165840), (1382, 144360), (1604, 124380), (2005, 99504), (2073, 96240), (2406, 82920), (2764, 72180), (3208, 62190), (3455, 57744), (3609, 55280), (4010, 49752), (4146, 48120), (4812, 41460), (5528, 36090), (6015, 33168), (6219, 32080), (6416, 31095), (6910, 28872), (7218, 27640), (8020, 24876), (8292, 24060), (9624, 20730), (10365, 19248), (11056, 18045), (12030, 16584), (12438, 16040), (13820, 14436)]