71948720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 174155520

約数和(自身を除く): 102206800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 109, 148, 185, 218, 223, 296, 370, 436, 446, 545, 592, 740, 872, 892, 1090, 1115, 1480, 1744, 1784, 2180, 2230, 2960, 3568, 4033, 4360, 4460, 8066, 8251, 8720, 8920, 16132, 16502, 17840, 20165, 24307, 32264, 33004, 40330, 41255, 48614, 64528, 66008, 80660, 82510, 97228, 121535, 132016, 161320, 165020, 194456, 243070, 322640, 330040, 388912, 486140, 660080, 899359, 972280, 1798718, 1944560, 3597436, 4496795, 7194872, 8993590, 14389744, 17987180, 35974360, 71948720]

約数ペア:

[(1, 71948720), (2, 35974360), (4, 17987180), (5, 14389744), (8, 8993590), (10, 7194872), (16, 4496795), (20, 3597436), (37, 1944560), (40, 1798718), (74, 972280), (80, 899359), (109, 660080), (148, 486140), (185, 388912), (218, 330040), (223, 322640), (296, 243070), (370, 194456), (436, 165020), (446, 161320), (545, 132016), (592, 121535), (740, 97228), (872, 82510), (892, 80660), (1090, 66008), (1115, 64528), (1480, 48614), (1744, 41255), (1784, 40330), (2180, 33004), (2230, 32264), (2960, 24307), (3568, 20165), (4033, 17840), (4360, 16502), (4460, 16132), (8066, 8920), (8251, 8720)]