788256840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30271}}^1$

素因数の和:30323

約数の個数: 128

約数和(自身を含む): 2789867520

約数和(自身を除く): 2001610680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 30271, 60542, 90813, 121084, 151355, 181626, 211897, 242168, 302710, 363252, 423794, 454065, 605420, 635691, 726504, 847588, 908130, 938401, 1059485, 1210840, 1271382, 1695176, 1816260, 1876802, 2118970, 2542764, 2815203, 3178455, 3632520, 3753604, 4237940, 4692005, 5085528, 5630406, 6356910, 6568807, 7507208, 8475880, 9384010, 11260812, 12713820, 13137614, 14076015, 18768020, 19706421, 22521624, 25427640, 26275228, 28152030, 32844035, 37536040, 39412842, 52550456, 56304060, 65688070, 78825684, 98532105, 112608120, 131376140, 157651368, 197064210, 262752280, 394128420, 788256840]

約数ペア:

[(1, 788256840), (2, 394128420), (3, 262752280), (4, 197064210), (5, 157651368), (6, 131376140), (7, 112608120), (8, 98532105), (10, 78825684), (12, 65688070), (14, 56304060), (15, 52550456), (20, 39412842), (21, 37536040), (24, 32844035), (28, 28152030), (30, 26275228), (31, 25427640), (35, 22521624), (40, 19706421), (42, 18768020), (56, 14076015), (60, 13137614), (62, 12713820), (70, 11260812), (84, 9384010), (93, 8475880), (105, 7507208), (120, 6568807), (124, 6356910), (140, 5630406), (155, 5085528), (168, 4692005), (186, 4237940), (210, 3753604), (217, 3632520), (248, 3178455), (280, 2815203), (310, 2542764), (372, 2118970), (420, 1876802), (434, 1816260), (465, 1695176), (620, 1271382), (651, 1210840), (744, 1059485), (840, 938401), (868, 908130), (930, 847588), (1085, 726504), (1240, 635691), (1302, 605420), (1736, 454065), (1860, 423794), (2170, 363252), (2604, 302710), (3255, 242168), (3720, 211897), (4340, 181626), (5208, 151355), (6510, 121084), (8680, 90813), (13020, 60542), (26040, 30271)]