155663440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1316

約数の個数: 80

約数和(自身を含む): 380654208

約数和(自身を除く): 224990768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 592, 688, 740, 860, 1223, 1480, 1591, 1720, 2446, 2960, 3182, 3440, 4892, 6115, 6364, 7955, 9784, 12230, 12728, 15910, 19568, 24460, 25456, 31820, 45251, 48920, 52589, 63640, 90502, 97840, 105178, 127280, 181004, 210356, 226255, 262945, 362008, 420712, 452510, 525890, 724016, 841424, 905020, 1051780, 1810040, 1945793, 2103560, 3620080, 3891586, 4207120, 7783172, 9728965, 15566344, 19457930, 31132688, 38915860, 77831720, 155663440]

約数ペア:

[(1, 155663440), (2, 77831720), (4, 38915860), (5, 31132688), (8, 19457930), (10, 15566344), (16, 9728965), (20, 7783172), (37, 4207120), (40, 3891586), (43, 3620080), (74, 2103560), (80, 1945793), (86, 1810040), (148, 1051780), (172, 905020), (185, 841424), (215, 724016), (296, 525890), (344, 452510), (370, 420712), (430, 362008), (592, 262945), (688, 226255), (740, 210356), (860, 181004), (1223, 127280), (1480, 105178), (1591, 97840), (1720, 90502), (2446, 63640), (2960, 52589), (3182, 48920), (3440, 45251), (4892, 31820), (6115, 25456), (6364, 24460), (7955, 19568), (9784, 15910), (12230, 12728)]