18011280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 65138688

約数和(自身を除く): 47127408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 151, 168, 210, 213, 240, 280, 284, 302, 336, 355, 420, 426, 453, 497, 560, 568, 604, 710, 755, 840, 852, 906, 994, 1057, 1065, 1136, 1208, 1420, 1491, 1510, 1680, 1704, 1812, 1988, 2114, 2130, 2265, 2416, 2485, 2840, 2982, 3020, 3171, 3408, 3624, 3976, 4228, 4260, 4530, 4970, 5285, 5680, 5964, 6040, 6342, 7248, 7455, 7952, 8456, 8520, 9060, 9940, 10570, 10721, 11928, 12080, 12684, 14910, 15855, 16912, 17040, 18120, 19880, 21140, 21442, 23856, 25368, 29820, 31710, 32163, 36240, 39760, 42280, 42884, 50736, 53605, 59640, 63420, 64326, 75047, 84560, 85768, 107210, 119280, 126840, 128652, 150094, 160815, 171536, 214420, 225141, 253680, 257304, 300188, 321630, 375235, 428840, 450282, 514608, 600376, 643260, 750470, 857680, 900564, 1125705, 1200752, 1286520, 1500940, 1801128, 2251410, 2573040, 3001880, 3602256, 4502820, 6003760, 9005640, 18011280]

約数ペア:

[(1, 18011280), (2, 9005640), (3, 6003760), (4, 4502820), (5, 3602256), (6, 3001880), (7, 2573040), (8, 2251410), (10, 1801128), (12, 1500940), (14, 1286520), (15, 1200752), (16, 1125705), (20, 900564), (21, 857680), (24, 750470), (28, 643260), (30, 600376), (35, 514608), (40, 450282), (42, 428840), (48, 375235), (56, 321630), (60, 300188), (70, 257304), (71, 253680), (80, 225141), (84, 214420), (105, 171536), (112, 160815), (120, 150094), (140, 128652), (142, 126840), (151, 119280), (168, 107210), (210, 85768), (213, 84560), (240, 75047), (280, 64326), (284, 63420), (302, 59640), (336, 53605), (355, 50736), (420, 42884), (426, 42280), (453, 39760), (497, 36240), (560, 32163), (568, 31710), (604, 29820), (710, 25368), (755, 23856), (840, 21442), (852, 21140), (906, 19880), (994, 18120), (1057, 17040), (1065, 16912), (1136, 15855), (1208, 14910), (1420, 12684), (1491, 12080), (1510, 11928), (1680, 10721), (1704, 10570), (1812, 9940), (1988, 9060), (2114, 8520), (2130, 8456), (2265, 7952), (2416, 7455), (2485, 7248), (2840, 6342), (2982, 6040), (3020, 5964), (3171, 5680), (3408, 5285), (3624, 4970), (3976, 4530), (4228, 4260)]