15640164

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 41670720

約数和(自身を除く): 26030556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 71, 87, 116, 142, 174, 211, 213, 261, 284, 348, 422, 426, 522, 633, 639, 844, 852, 1044, 1266, 1278, 1899, 2059, 2532, 2556, 3798, 4118, 6119, 6177, 7596, 8236, 12238, 12354, 14981, 18357, 18531, 24476, 24708, 29962, 36714, 37062, 44943, 55071, 59924, 73428, 74124, 89886, 110142, 134829, 179772, 220284, 269658, 434449, 539316, 868898, 1303347, 1737796, 2606694, 3910041, 5213388, 7820082, 15640164]

約数ペア:

[(1, 15640164), (2, 7820082), (3, 5213388), (4, 3910041), (6, 2606694), (9, 1737796), (12, 1303347), (18, 868898), (29, 539316), (36, 434449), (58, 269658), (71, 220284), (87, 179772), (116, 134829), (142, 110142), (174, 89886), (211, 74124), (213, 73428), (261, 59924), (284, 55071), (348, 44943), (422, 37062), (426, 36714), (522, 29962), (633, 24708), (639, 24476), (844, 18531), (852, 18357), (1044, 14981), (1266, 12354), (1278, 12238), (1899, 8236), (2059, 7596), (2532, 6177), (2556, 6119), (3798, 4118)]