221288520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{80177}}^1$

素因数の和:80214

約数の個数: 64

約数和(自身を含む): 692737920

約数和(自身を除く): 471449400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 80177, 160354, 240531, 320708, 400885, 481062, 641416, 801770, 962124, 1202655, 1603540, 1844071, 1924248, 2405310, 3207080, 3688142, 4810620, 5532213, 7376284, 9220355, 9621240, 11064426, 14752568, 18440710, 22128852, 27661065, 36881420, 44257704, 55322130, 73762840, 110644260, 221288520]

約数ペア:

[(1, 221288520), (2, 110644260), (3, 73762840), (4, 55322130), (5, 44257704), (6, 36881420), (8, 27661065), (10, 22128852), (12, 18440710), (15, 14752568), (20, 11064426), (23, 9621240), (24, 9220355), (30, 7376284), (40, 5532213), (46, 4810620), (60, 3688142), (69, 3207080), (92, 2405310), (115, 1924248), (120, 1844071), (138, 1603540), (184, 1202655), (230, 962124), (276, 801770), (345, 641416), (460, 481062), (552, 400885), (690, 320708), (920, 240531), (1380, 160354), (2760, 80177)]