15875340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20353}}^1$

素因数の和:20378

約数の個数: 48

約数和(自身を含む): 47872608

約数和(自身を除く): 31997268

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, 20353, 40706, 61059, 81412, 101765, 122118, 203530, 244236, 264589, 305295, 407060, 529178, 610590, 793767, 1058356, 1221180, 1322945, 1587534, 2645890, 3175068, 3968835, 5291780, 7937670, 15875340]

約数ペア:

[(1, 15875340), (2, 7937670), (3, 5291780), (4, 3968835), (5, 3175068), (6, 2645890), (10, 1587534), (12, 1322945), (13, 1221180), (15, 1058356), (20, 793767), (26, 610590), (30, 529178), (39, 407060), (52, 305295), (60, 264589), (65, 244236), (78, 203530), (130, 122118), (156, 101765), (195, 81412), (260, 61059), (390, 40706), (780, 20353)]