18135960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6571}}^1$

素因数の和:6608

約数の個数: 64

約数和(自身を含む): 56782080

約数和(自身を除く): 38646120

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, 6571, 13142, 19713, 26284, 32855, 39426, 52568, 65710, 78852, 98565, 131420, 151133, 157704, 197130, 262840, 302266, 394260, 453399, 604532, 755665, 788520, 906798, 1209064, 1511330, 1813596, 2266995, 3022660, 3627192, 4533990, 6045320, 9067980, 18135960]

約数ペア:

[(1, 18135960), (2, 9067980), (3, 6045320), (4, 4533990), (5, 3627192), (6, 3022660), (8, 2266995), (10, 1813596), (12, 1511330), (15, 1209064), (20, 906798), (23, 788520), (24, 755665), (30, 604532), (40, 453399), (46, 394260), (60, 302266), (69, 262840), (92, 197130), (115, 157704), (120, 151133), (138, 131420), (184, 98565), (230, 78852), (276, 65710), (345, 52568), (460, 39426), (552, 32855), (690, 26284), (920, 19713), (1380, 13142), (2760, 6571)]