90090900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:631

約数の個数: 144

約数和(自身を含む): 294911680

約数和(自身を除く): 204820780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 61, 75, 90, 100, 108, 122, 135, 150, 180, 183, 225, 244, 270, 300, 305, 366, 450, 540, 547, 549, 610, 675, 732, 900, 915, 1094, 1098, 1220, 1350, 1525, 1641, 1647, 1830, 2188, 2196, 2700, 2735, 2745, 3050, 3282, 3294, 3660, 4575, 4923, 5470, 5490, 6100, 6564, 6588, 8205, 8235, 9150, 9846, 10940, 10980, 13675, 13725, 14769, 16410, 16470, 18300, 19692, 24615, 27350, 27450, 29538, 32820, 32940, 33367, 41025, 41175, 49230, 54700, 54900, 59076, 66734, 73845, 82050, 82350, 98460, 100101, 123075, 133468, 147690, 164100, 164700, 166835, 200202, 246150, 295380, 300303, 333670, 369225, 400404, 492300, 500505, 600606, 667340, 738450, 834175, 900909, 1001010, 1201212, 1476900, 1501515, 1668350, 1801818, 2002020, 2502525, 3003030, 3336700, 3603636, 4504545, 5005050, 6006060, 7507575, 9009090, 10010100, 15015150, 18018180, 22522725, 30030300, 45045450, 90090900]

約数ペア:

[(1, 90090900), (2, 45045450), (3, 30030300), (4, 22522725), (5, 18018180), (6, 15015150), (9, 10010100), (10, 9009090), (12, 7507575), (15, 6006060), (18, 5005050), (20, 4504545), (25, 3603636), (27, 3336700), (30, 3003030), (36, 2502525), (45, 2002020), (50, 1801818), (54, 1668350), (60, 1501515), (61, 1476900), (75, 1201212), (90, 1001010), (100, 900909), (108, 834175), (122, 738450), (135, 667340), (150, 600606), (180, 500505), (183, 492300), (225, 400404), (244, 369225), (270, 333670), (300, 300303), (305, 295380), (366, 246150), (450, 200202), (540, 166835), (547, 164700), (549, 164100), (610, 147690), (675, 133468), (732, 123075), (900, 100101), (915, 98460), (1094, 82350), (1098, 82050), (1220, 73845), (1350, 66734), (1525, 59076), (1641, 54900), (1647, 54700), (1830, 49230), (2188, 41175), (2196, 41025), (2700, 33367), (2735, 32940), (2745, 32820), (3050, 29538), (3282, 27450), (3294, 27350), (3660, 24615), (4575, 19692), (4923, 18300), (5470, 16470), (5490, 16410), (6100, 14769), (6564, 13725), (6588, 13675), (8205, 10980), (8235, 10940), (9150, 9846)]