1780800

素因数分解:

$2^6\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1$

素因数の和:85

約数の個数: 168

約数和(自身を含む): 6803136

約数和(自身を除く): 5022336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 53, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 106, 112, 120, 140, 150, 159, 160, 168, 175, 192, 200, 210, 212, 224, 240, 265, 280, 300, 318, 320, 336, 350, 371, 400, 420, 424, 448, 480, 525, 530, 560, 600, 636, 672, 700, 742, 795, 800, 840, 848, 960, 1050, 1060, 1113, 1120, 1200, 1272, 1325, 1344, 1400, 1484, 1590, 1600, 1680, 1696, 1855, 2100, 2120, 2226, 2240, 2400, 2544, 2650, 2800, 2968, 3180, 3360, 3392, 3710, 3975, 4200, 4240, 4452, 4800, 5088, 5300, 5565, 5600, 5936, 6360, 6720, 7420, 7950, 8400, 8480, 8904, 9275, 10176, 10600, 11130, 11200, 11872, 12720, 14840, 15900, 16800, 16960, 17808, 18550, 21200, 22260, 23744, 25440, 27825, 29680, 31800, 33600, 35616, 37100, 42400, 44520, 50880, 55650, 59360, 63600, 71232, 74200, 84800, 89040, 111300, 118720, 127200, 148400, 178080, 222600, 254400, 296800, 356160, 445200, 593600, 890400, 1780800]

約数ペア:

[(1, 1780800), (2, 890400), (3, 593600), (4, 445200), (5, 356160), (6, 296800), (7, 254400), (8, 222600), (10, 178080), (12, 148400), (14, 127200), (15, 118720), (16, 111300), (20, 89040), (21, 84800), (24, 74200), (25, 71232), (28, 63600), (30, 59360), (32, 55650), (35, 50880), (40, 44520), (42, 42400), (48, 37100), (50, 35616), (53, 33600), (56, 31800), (60, 29680), (64, 27825), (70, 25440), (75, 23744), (80, 22260), (84, 21200), (96, 18550), (100, 17808), (105, 16960), (106, 16800), (112, 15900), (120, 14840), (140, 12720), (150, 11872), (159, 11200), (160, 11130), (168, 10600), (175, 10176), (192, 9275), (200, 8904), (210, 8480), (212, 8400), (224, 7950), (240, 7420), (265, 6720), (280, 6360), (300, 5936), (318, 5600), (320, 5565), (336, 5300), (350, 5088), (371, 4800), (400, 4452), (420, 4240), (424, 4200), (448, 3975), (480, 3710), (525, 3392), (530, 3360), (560, 3180), (600, 2968), (636, 2800), (672, 2650), (700, 2544), (742, 2400), (795, 2240), (800, 2226), (840, 2120), (848, 2100), (960, 1855), (1050, 1696), (1060, 1680), (1113, 1600), (1120, 1590), (1200, 1484), (1272, 1400), (1325, 1344)]