15707988

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 42247296

約数和(自身を除く): 26539308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 61, 69, 92, 122, 138, 183, 207, 244, 276, 311, 366, 414, 549, 622, 732, 828, 933, 1098, 1244, 1403, 1866, 2196, 2799, 2806, 3732, 4209, 5598, 5612, 7153, 8418, 11196, 12627, 14306, 16836, 18971, 21459, 25254, 28612, 37942, 42918, 50508, 56913, 64377, 75884, 85836, 113826, 128754, 170739, 227652, 257508, 341478, 436333, 682956, 872666, 1308999, 1745332, 2617998, 3926997, 5235996, 7853994, 15707988]

約数ペア:

[(1, 15707988), (2, 7853994), (3, 5235996), (4, 3926997), (6, 2617998), (9, 1745332), (12, 1308999), (18, 872666), (23, 682956), (36, 436333), (46, 341478), (61, 257508), (69, 227652), (92, 170739), (122, 128754), (138, 113826), (183, 85836), (207, 75884), (244, 64377), (276, 56913), (311, 50508), (366, 42918), (414, 37942), (549, 28612), (622, 25254), (732, 21459), (828, 18971), (933, 16836), (1098, 14306), (1244, 12627), (1403, 11196), (1866, 8418), (2196, 7153), (2799, 5612), (2806, 5598), (3732, 4209)]