2665960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 6713280

約数和(自身を除く): 4047320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 83, 88, 110, 146, 166, 220, 292, 332, 365, 415, 440, 584, 664, 730, 803, 830, 913, 1460, 1606, 1660, 1826, 2920, 3212, 3320, 3652, 4015, 4565, 6059, 6424, 7304, 8030, 9130, 12118, 16060, 18260, 24236, 30295, 32120, 36520, 48472, 60590, 66649, 121180, 133298, 242360, 266596, 333245, 533192, 666490, 1332980, 2665960]

約数ペア:

[(1, 2665960), (2, 1332980), (4, 666490), (5, 533192), (8, 333245), (10, 266596), (11, 242360), (20, 133298), (22, 121180), (40, 66649), (44, 60590), (55, 48472), (73, 36520), (83, 32120), (88, 30295), (110, 24236), (146, 18260), (166, 16060), (220, 12118), (292, 9130), (332, 8030), (365, 7304), (415, 6424), (440, 6059), (584, 4565), (664, 4015), (730, 3652), (803, 3320), (830, 3212), (913, 2920), (1460, 1826), (1606, 1660)]