30718920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{911}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 92586240

約数和(自身を除く): 61867320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 281, 562, 843, 911, 1124, 1405, 1686, 1822, 2248, 2733, 2810, 3372, 3644, 4215, 4555, 5466, 5620, 6744, 7288, 8430, 9110, 10932, 11240, 13665, 16860, 18220, 21864, 27330, 33720, 36440, 54660, 109320, 255991, 511982, 767973, 1023964, 1279955, 1535946, 2047928, 2559910, 3071892, 3839865, 5119820, 6143784, 7679730, 10239640, 15359460, 30718920]

約数ペア:

[(1, 30718920), (2, 15359460), (3, 10239640), (4, 7679730), (5, 6143784), (6, 5119820), (8, 3839865), (10, 3071892), (12, 2559910), (15, 2047928), (20, 1535946), (24, 1279955), (30, 1023964), (40, 767973), (60, 511982), (120, 255991), (281, 109320), (562, 54660), (843, 36440), (911, 33720), (1124, 27330), (1405, 21864), (1686, 18220), (1822, 16860), (2248, 13665), (2733, 11240), (2810, 10932), (3372, 9110), (3644, 8430), (4215, 7288), (4555, 6744), (5466, 5620)]