31279968

素因数分解:

$2^5\times 3^2\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:676

約数の個数: 72

約数和(自身を含む): 89493768

約数和(自身を除く): 58213800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 313, 347, 626, 694, 939, 1041, 1252, 1388, 1878, 2082, 2504, 2776, 2817, 3123, 3756, 4164, 5008, 5552, 5634, 6246, 7512, 8328, 10016, 11104, 11268, 12492, 15024, 16656, 22536, 24984, 30048, 33312, 45072, 49968, 90144, 99936, 108611, 217222, 325833, 434444, 651666, 868888, 977499, 1303332, 1737776, 1954998, 2606664, 3475552, 3909996, 5213328, 7819992, 10426656, 15639984, 31279968]

約数ペア:

[(1, 31279968), (2, 15639984), (3, 10426656), (4, 7819992), (6, 5213328), (8, 3909996), (9, 3475552), (12, 2606664), (16, 1954998), (18, 1737776), (24, 1303332), (32, 977499), (36, 868888), (48, 651666), (72, 434444), (96, 325833), (144, 217222), (288, 108611), (313, 99936), (347, 90144), (626, 49968), (694, 45072), (939, 33312), (1041, 30048), (1252, 24984), (1388, 22536), (1878, 16656), (2082, 15024), (2504, 12492), (2776, 11268), (2817, 11104), (3123, 10016), (3756, 8328), (4164, 7512), (5008, 6246), (5552, 5634)]