30830640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128461}}^1$

素因数の和:128477

約数の個数: 40

約数和(自身を含む): 95575728

約数和(自身を除く): 64745088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128461, 256922, 385383, 513844, 642305, 770766, 1027688, 1284610, 1541532, 1926915, 2055376, 2569220, 3083064, 3853830, 5138440, 6166128, 7707660, 10276880, 15415320, 30830640]

約数ペア:

[(1, 30830640), (2, 15415320), (3, 10276880), (4, 7707660), (5, 6166128), (6, 5138440), (8, 3853830), (10, 3083064), (12, 2569220), (15, 2055376), (16, 1926915), (20, 1541532), (24, 1284610), (30, 1027688), (40, 770766), (48, 642305), (60, 513844), (80, 385383), (120, 256922), (240, 128461)]