1020454400

素因数分解:

$2^9\times 5^2\times 7^2\times {\mathrm{1627}}^1$

素因数の和:1669

約数の個数: 180

約数和(自身を含む): 2942839548

約数和(自身を除く): 1922385148

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 280, 320, 350, 392, 400, 448, 490, 512, 560, 640, 700, 784, 800, 896, 980, 1120, 1225, 1280, 1400, 1568, 1600, 1627, 1792, 1960, 2240, 2450, 2560, 2800, 3136, 3200, 3254, 3584, 3920, 4480, 4900, 5600, 6272, 6400, 6508, 7840, 8135, 8960, 9800, 11200, 11389, 12544, 12800, 13016, 15680, 16270, 17920, 19600, 22400, 22778, 25088, 26032, 31360, 32540, 39200, 40675, 44800, 45556, 52064, 56945, 62720, 65080, 78400, 79723, 81350, 89600, 91112, 104128, 113890, 125440, 130160, 156800, 159446, 162700, 182224, 208256, 227780, 260320, 284725, 313600, 318892, 325400, 364448, 398615, 416512, 455560, 520640, 569450, 627200, 637784, 650800, 728896, 797230, 833024, 911120, 1041280, 1138900, 1275568, 1301600, 1457792, 1594460, 1822240, 1993075, 2082560, 2277800, 2551136, 2603200, 2915584, 3188920, 3644480, 3986150, 4165120, 4555600, 5102272, 5206400, 5831168, 6377840, 7288960, 7972300, 9111200, 10204544, 10412800, 12755680, 14577920, 15944600, 18222400, 20409088, 20825600, 25511360, 29155840, 31889200, 36444800, 40818176, 51022720, 63778400, 72889600, 102045440, 127556800, 145779200, 204090880, 255113600, 510227200, 1020454400]

約数ペア:

[(1, 1020454400), (2, 510227200), (4, 255113600), (5, 204090880), (7, 145779200), (8, 127556800), (10, 102045440), (14, 72889600), (16, 63778400), (20, 51022720), (25, 40818176), (28, 36444800), (32, 31889200), (35, 29155840), (40, 25511360), (49, 20825600), (50, 20409088), (56, 18222400), (64, 15944600), (70, 14577920), (80, 12755680), (98, 10412800), (100, 10204544), (112, 9111200), (128, 7972300), (140, 7288960), (160, 6377840), (175, 5831168), (196, 5206400), (200, 5102272), (224, 4555600), (245, 4165120), (256, 3986150), (280, 3644480), (320, 3188920), (350, 2915584), (392, 2603200), (400, 2551136), (448, 2277800), (490, 2082560), (512, 1993075), (560, 1822240), (640, 1594460), (700, 1457792), (784, 1301600), (800, 1275568), (896, 1138900), (980, 1041280), (1120, 911120), (1225, 833024), (1280, 797230), (1400, 728896), (1568, 650800), (1600, 637784), (1627, 627200), (1792, 569450), (1960, 520640), (2240, 455560), (2450, 416512), (2560, 398615), (2800, 364448), (3136, 325400), (3200, 318892), (3254, 313600), (3584, 284725), (3920, 260320), (4480, 227780), (4900, 208256), (5600, 182224), (6272, 162700), (6400, 159446), (6508, 156800), (7840, 130160), (8135, 125440), (8960, 113890), (9800, 104128), (11200, 91112), (11389, 89600), (12544, 81350), (12800, 79723), (13016, 78400), (15680, 65080), (16270, 62720), (17920, 56945), (19600, 52064), (22400, 45556), (22778, 44800), (25088, 40675), (26032, 39200), (31360, 32540)]