1290956800

素因数分解:

$2^{12}\times 5^2\times 7^1\times {\mathrm{1801}}^1$

素因数の和:1842

約数の個数: 156

約数和(自身を含む): 3660525136

約数和(自身を除く): 2369568336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 800, 896, 1024, 1120, 1280, 1400, 1600, 1792, 1801, 2048, 2240, 2560, 2800, 3200, 3584, 3602, 4096, 4480, 5120, 5600, 6400, 7168, 7204, 8960, 9005, 10240, 11200, 12607, 12800, 14336, 14408, 17920, 18010, 20480, 22400, 25214, 25600, 28672, 28816, 35840, 36020, 44800, 45025, 50428, 51200, 57632, 63035, 71680, 72040, 89600, 90050, 100856, 102400, 115264, 126070, 143360, 144080, 179200, 180100, 201712, 230528, 252140, 288160, 315175, 358400, 360200, 403424, 461056, 504280, 576320, 630350, 716800, 720400, 806848, 922112, 1008560, 1152640, 1260700, 1440800, 1613696, 1844224, 2017120, 2305280, 2521400, 2881600, 3227392, 3688448, 4034240, 4610560, 5042800, 5763200, 6454784, 7376896, 8068480, 9221120, 10085600, 11526400, 12909568, 16136960, 18442240, 20171200, 23052800, 25819136, 32273920, 36884480, 40342400, 46105600, 51638272, 64547840, 80684800, 92211200, 129095680, 161369600, 184422400, 258191360, 322739200, 645478400, 1290956800]

約数ペア:

[(1, 1290956800), (2, 645478400), (4, 322739200), (5, 258191360), (7, 184422400), (8, 161369600), (10, 129095680), (14, 92211200), (16, 80684800), (20, 64547840), (25, 51638272), (28, 46105600), (32, 40342400), (35, 36884480), (40, 32273920), (50, 25819136), (56, 23052800), (64, 20171200), (70, 18442240), (80, 16136960), (100, 12909568), (112, 11526400), (128, 10085600), (140, 9221120), (160, 8068480), (175, 7376896), (200, 6454784), (224, 5763200), (256, 5042800), (280, 4610560), (320, 4034240), (350, 3688448), (400, 3227392), (448, 2881600), (512, 2521400), (560, 2305280), (640, 2017120), (700, 1844224), (800, 1613696), (896, 1440800), (1024, 1260700), (1120, 1152640), (1280, 1008560), (1400, 922112), (1600, 806848), (1792, 720400), (1801, 716800), (2048, 630350), (2240, 576320), (2560, 504280), (2800, 461056), (3200, 403424), (3584, 360200), (3602, 358400), (4096, 315175), (4480, 288160), (5120, 252140), (5600, 230528), (6400, 201712), (7168, 180100), (7204, 179200), (8960, 144080), (9005, 143360), (10240, 126070), (11200, 115264), (12607, 102400), (12800, 100856), (14336, 90050), (14408, 89600), (17920, 72040), (18010, 71680), (20480, 63035), (22400, 57632), (25214, 51200), (25600, 50428), (28672, 45025), (28816, 44800), (35840, 36020)]