420186240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{72949}}^1$

素因数の和:72974

約数の個数: 96

約数和(自身を含む): 1450975500

約数和(自身を除く): 1030789260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 72949, 145898, 218847, 291796, 364745, 437694, 583592, 656541, 729490, 875388, 1094235, 1167184, 1313082, 1458980, 1750776, 2188470, 2334368, 2626164, 2917960, 3282705, 3501552, 4376940, 4668736, 5252328, 5835920, 6565410, 7003104, 8753880, 9337472, 10504656, 11671840, 13130820, 14006208, 17507760, 21009312, 23343680, 26261640, 28012416, 35015520, 42018624, 46687360, 52523280, 70031040, 84037248, 105046560, 140062080, 210093120, 420186240]

約数ペア:

[(1, 420186240), (2, 210093120), (3, 140062080), (4, 105046560), (5, 84037248), (6, 70031040), (8, 52523280), (9, 46687360), (10, 42018624), (12, 35015520), (15, 28012416), (16, 26261640), (18, 23343680), (20, 21009312), (24, 17507760), (30, 14006208), (32, 13130820), (36, 11671840), (40, 10504656), (45, 9337472), (48, 8753880), (60, 7003104), (64, 6565410), (72, 5835920), (80, 5252328), (90, 4668736), (96, 4376940), (120, 3501552), (128, 3282705), (144, 2917960), (160, 2626164), (180, 2334368), (192, 2188470), (240, 1750776), (288, 1458980), (320, 1313082), (360, 1167184), (384, 1094235), (480, 875388), (576, 729490), (640, 656541), (720, 583592), (960, 437694), (1152, 364745), (1440, 291796), (1920, 218847), (2880, 145898), (5760, 72949)]