278302080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{20707}}^1$

素因数の和:20736

約数の個数: 128

約数和(自身を含む): 1013863680

約数和(自身を除く): 735561600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 20707, 41414, 62121, 82828, 103535, 124242, 144949, 165656, 207070, 248484, 289898, 310605, 331312, 414140, 434847, 496968, 579796, 621210, 662624, 724745, 828280, 869694, 993936, 1159592, 1242420, 1325248, 1449490, 1656560, 1739388, 1987872, 2174235, 2319184, 2484840, 2650496, 2898980, 3313120, 3478776, 3975744, 4348470, 4638368, 4969680, 5797960, 6626240, 6957552, 7951488, 8696940, 9276736, 9939360, 11595920, 13252480, 13915104, 17393880, 18553472, 19878720, 23191840, 27830208, 34787760, 39757440, 46383680, 55660416, 69575520, 92767360, 139151040, 278302080]

約数ペア:

[(1, 278302080), (2, 139151040), (3, 92767360), (4, 69575520), (5, 55660416), (6, 46383680), (7, 39757440), (8, 34787760), (10, 27830208), (12, 23191840), (14, 19878720), (15, 18553472), (16, 17393880), (20, 13915104), (21, 13252480), (24, 11595920), (28, 9939360), (30, 9276736), (32, 8696940), (35, 7951488), (40, 6957552), (42, 6626240), (48, 5797960), (56, 4969680), (60, 4638368), (64, 4348470), (70, 3975744), (80, 3478776), (84, 3313120), (96, 2898980), (105, 2650496), (112, 2484840), (120, 2319184), (128, 2174235), (140, 1987872), (160, 1739388), (168, 1656560), (192, 1449490), (210, 1325248), (224, 1242420), (240, 1159592), (280, 993936), (320, 869694), (336, 828280), (384, 724745), (420, 662624), (448, 621210), (480, 579796), (560, 496968), (640, 434847), (672, 414140), (840, 331312), (896, 310605), (960, 289898), (1120, 248484), (1344, 207070), (1680, 165656), (1920, 144949), (2240, 124242), (2688, 103535), (3360, 82828), (4480, 62121), (6720, 41414), (13440, 20707)]