2490696960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{648619}}^1$

素因数の和:648643

約数の個数: 72

約数和(自身を含む): 7954675680

約数和(自身を除く): 5463978720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 648619, 1297238, 1945857, 2594476, 3243095, 3891714, 5188952, 6486190, 7783428, 9729285, 10377904, 12972380, 15566856, 19458570, 20755808, 25944760, 31133712, 38917140, 41511616, 51889520, 62267424, 77834280, 83023232, 103779040, 124534848, 155668560, 166046464, 207558080, 249069696, 311337120, 415116160, 498139392, 622674240, 830232320, 1245348480, 2490696960]

約数ペア:

[(1, 2490696960), (2, 1245348480), (3, 830232320), (4, 622674240), (5, 498139392), (6, 415116160), (8, 311337120), (10, 249069696), (12, 207558080), (15, 166046464), (16, 155668560), (20, 124534848), (24, 103779040), (30, 83023232), (32, 77834280), (40, 62267424), (48, 51889520), (60, 41511616), (64, 38917140), (80, 31133712), (96, 25944760), (120, 20755808), (128, 19458570), (160, 15566856), (192, 12972380), (240, 10377904), (256, 9729285), (320, 7783428), (384, 6486190), (480, 5188952), (640, 3891714), (768, 3243095), (960, 2594476), (1280, 1945857), (1920, 1297238), (3840, 648619)]