87391720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7307}}^1$

素因数の和:7354

約数の個数: 64

約数和(自身を含む): 220993920

約数和(自身を除く): 133602200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 7307, 11960, 14614, 29228, 36535, 58456, 73070, 94991, 146140, 168061, 189982, 292280, 336122, 379964, 474955, 672244, 759928, 840305, 949910, 1344488, 1680610, 1899820, 2184793, 3361220, 3799640, 4369586, 6722440, 8739172, 10923965, 17478344, 21847930, 43695860, 87391720]

約数ペア:

[(1, 87391720), (2, 43695860), (4, 21847930), (5, 17478344), (8, 10923965), (10, 8739172), (13, 6722440), (20, 4369586), (23, 3799640), (26, 3361220), (40, 2184793), (46, 1899820), (52, 1680610), (65, 1344488), (92, 949910), (104, 840305), (115, 759928), (130, 672244), (184, 474955), (230, 379964), (260, 336122), (299, 292280), (460, 189982), (520, 168061), (598, 146140), (920, 94991), (1196, 73070), (1495, 58456), (2392, 36535), (2990, 29228), (5980, 14614), (7307, 11960)]