15042920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 35925120

約数和(自身を除く): 20882200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 197, 230, 332, 394, 415, 460, 664, 788, 830, 920, 985, 1576, 1660, 1909, 1970, 3320, 3818, 3940, 4531, 7636, 7880, 9062, 9545, 15272, 16351, 18124, 19090, 22655, 32702, 36248, 38180, 45310, 65404, 76360, 81755, 90620, 130808, 163510, 181240, 327020, 376073, 654040, 752146, 1504292, 1880365, 3008584, 3760730, 7521460, 15042920]

約数ペア:

[(1, 15042920), (2, 7521460), (4, 3760730), (5, 3008584), (8, 1880365), (10, 1504292), (20, 752146), (23, 654040), (40, 376073), (46, 327020), (83, 181240), (92, 163510), (115, 130808), (166, 90620), (184, 81755), (197, 76360), (230, 65404), (332, 45310), (394, 38180), (415, 36248), (460, 32702), (664, 22655), (788, 19090), (830, 18124), (920, 16351), (985, 15272), (1576, 9545), (1660, 9062), (1909, 7880), (1970, 7636), (3320, 4531), (3818, 3940)]