40081680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:509

約数の個数: 120

約数和(自身を含む): 135794880

約数和(自身を除く): 95713200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 179, 180, 240, 311, 358, 360, 537, 622, 716, 720, 895, 933, 1074, 1244, 1432, 1555, 1611, 1790, 1866, 2148, 2488, 2685, 2799, 2864, 3110, 3222, 3580, 3732, 4296, 4665, 4976, 5370, 5598, 6220, 6444, 7160, 7464, 8055, 8592, 9330, 10740, 11196, 12440, 12888, 13995, 14320, 14928, 16110, 18660, 21480, 22392, 24880, 25776, 27990, 32220, 37320, 42960, 44784, 55669, 55980, 64440, 74640, 111338, 111960, 128880, 167007, 222676, 223920, 278345, 334014, 445352, 501021, 556690, 668028, 835035, 890704, 1002042, 1113380, 1336056, 1670070, 2004084, 2226760, 2505105, 2672112, 3340140, 4008168, 4453520, 5010210, 6680280, 8016336, 10020420, 13360560, 20040840, 40081680]

約数ペア:

[(1, 40081680), (2, 20040840), (3, 13360560), (4, 10020420), (5, 8016336), (6, 6680280), (8, 5010210), (9, 4453520), (10, 4008168), (12, 3340140), (15, 2672112), (16, 2505105), (18, 2226760), (20, 2004084), (24, 1670070), (30, 1336056), (36, 1113380), (40, 1002042), (45, 890704), (48, 835035), (60, 668028), (72, 556690), (80, 501021), (90, 445352), (120, 334014), (144, 278345), (179, 223920), (180, 222676), (240, 167007), (311, 128880), (358, 111960), (360, 111338), (537, 74640), (622, 64440), (716, 55980), (720, 55669), (895, 44784), (933, 42960), (1074, 37320), (1244, 32220), (1432, 27990), (1555, 25776), (1611, 24880), (1790, 22392), (1866, 21480), (2148, 18660), (2488, 16110), (2685, 14928), (2799, 14320), (2864, 13995), (3110, 12888), (3222, 12440), (3580, 11196), (3732, 10740), (4296, 9330), (4665, 8592), (4976, 8055), (5370, 7464), (5598, 7160), (6220, 6444)]