65139960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{839}}^1$

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 195955200

約数和(自身を除く): 130815240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 839, 1294, 1678, 1941, 2517, 2588, 3235, 3356, 3882, 4195, 5034, 5176, 6470, 6712, 7764, 8390, 9705, 10068, 12585, 12940, 15528, 16780, 19410, 20136, 25170, 25880, 33560, 38820, 50340, 77640, 100680, 542833, 1085666, 1628499, 2171332, 2714165, 3256998, 4342664, 5428330, 6513996, 8142495, 10856660, 13027992, 16284990, 21713320, 32569980, 65139960]

約数ペア:

[(1, 65139960), (2, 32569980), (3, 21713320), (4, 16284990), (5, 13027992), (6, 10856660), (8, 8142495), (10, 6513996), (12, 5428330), (15, 4342664), (20, 3256998), (24, 2714165), (30, 2171332), (40, 1628499), (60, 1085666), (120, 542833), (647, 100680), (839, 77640), (1294, 50340), (1678, 38820), (1941, 33560), (2517, 25880), (2588, 25170), (3235, 20136), (3356, 19410), (3882, 16780), (4195, 15528), (5034, 12940), (5176, 12585), (6470, 10068), (6712, 9705), (7764, 8390)]