15485340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19853}}^1$

素因数の和:19878

約数の個数: 48

約数和(自身を含む): 46696608

約数和(自身を除く): 31211268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19853, 39706, 59559, 79412, 99265, 119118, 198530, 238236, 258089, 297795, 397060, 516178, 595590, 774267, 1032356, 1191180, 1290445, 1548534, 2580890, 3097068, 3871335, 5161780, 7742670, 15485340]

約数ペア:

[(1, 15485340), (2, 7742670), (3, 5161780), (4, 3871335), (5, 3097068), (6, 2580890), (10, 1548534), (12, 1290445), (13, 1191180), (15, 1032356), (20, 774267), (26, 595590), (30, 516178), (39, 397060), (52, 297795), (60, 258089), (65, 238236), (78, 198530), (130, 119118), (156, 99265), (195, 79412), (260, 59559), (390, 39706), (780, 19853)]