72018240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{1531}}^1$

素因数の和:1565

約数の個数: 168

約数和(自身を含む): 266163552

約数和(自身を除く): 194145312

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1531, 1568, 1680, 1960, 2240, 2352, 2940, 3062, 3136, 3360, 3920, 4593, 4704, 5880, 6124, 6720, 7655, 7840, 9186, 9408, 10717, 11760, 12248, 15310, 15680, 18372, 21434, 22965, 23520, 24496, 30620, 32151, 36744, 42868, 45930, 47040, 48992, 53585, 61240, 64302, 73488, 75019, 85736, 91860, 97984, 107170, 122480, 128604, 146976, 150038, 160755, 171472, 183720, 214340, 225057, 244960, 257208, 293952, 300076, 321510, 342944, 367440, 375095, 428680, 450114, 489920, 514416, 600152, 643020, 685888, 734880, 750190, 857360, 900228, 1028832, 1125285, 1200304, 1286040, 1469760, 1500380, 1714720, 1800456, 2057664, 2250570, 2400608, 2572080, 3000760, 3429440, 3600912, 4501140, 4801216, 5144160, 6001520, 7201824, 9002280, 10288320, 12003040, 14403648, 18004560, 24006080, 36009120, 72018240]

約数ペア:

[(1, 72018240), (2, 36009120), (3, 24006080), (4, 18004560), (5, 14403648), (6, 12003040), (7, 10288320), (8, 9002280), (10, 7201824), (12, 6001520), (14, 5144160), (15, 4801216), (16, 4501140), (20, 3600912), (21, 3429440), (24, 3000760), (28, 2572080), (30, 2400608), (32, 2250570), (35, 2057664), (40, 1800456), (42, 1714720), (48, 1500380), (49, 1469760), (56, 1286040), (60, 1200304), (64, 1125285), (70, 1028832), (80, 900228), (84, 857360), (96, 750190), (98, 734880), (105, 685888), (112, 643020), (120, 600152), (140, 514416), (147, 489920), (160, 450114), (168, 428680), (192, 375095), (196, 367440), (210, 342944), (224, 321510), (240, 300076), (245, 293952), (280, 257208), (294, 244960), (320, 225057), (336, 214340), (392, 183720), (420, 171472), (448, 160755), (480, 150038), (490, 146976), (560, 128604), (588, 122480), (672, 107170), (735, 97984), (784, 91860), (840, 85736), (960, 75019), (980, 73488), (1120, 64302), (1176, 61240), (1344, 53585), (1470, 48992), (1531, 47040), (1568, 45930), (1680, 42868), (1960, 36744), (2240, 32151), (2352, 30620), (2940, 24496), (3062, 23520), (3136, 22965), (3360, 21434), (3920, 18372), (4593, 15680), (4704, 15310), (5880, 12248), (6124, 11760), (6720, 10717), (7655, 9408), (7840, 9186)]