81811920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14821}}^1$

素因数の和:14860

約数の個数: 80

約数和(自身を含む): 264661632

約数和(自身を除く): 182849712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 14821, 29642, 44463, 59284, 74105, 88926, 118568, 148210, 177852, 222315, 237136, 296420, 340883, 355704, 444630, 592840, 681766, 711408, 889260, 1022649, 1185680, 1363532, 1704415, 1778520, 2045298, 2727064, 3408830, 3557040, 4090596, 5113245, 5454128, 6817660, 8181192, 10226490, 13635320, 16362384, 20452980, 27270640, 40905960, 81811920]

約数ペア:

[(1, 81811920), (2, 40905960), (3, 27270640), (4, 20452980), (5, 16362384), (6, 13635320), (8, 10226490), (10, 8181192), (12, 6817660), (15, 5454128), (16, 5113245), (20, 4090596), (23, 3557040), (24, 3408830), (30, 2727064), (40, 2045298), (46, 1778520), (48, 1704415), (60, 1363532), (69, 1185680), (80, 1022649), (92, 889260), (115, 711408), (120, 681766), (138, 592840), (184, 444630), (230, 355704), (240, 340883), (276, 296420), (345, 237136), (368, 222315), (460, 177852), (552, 148210), (690, 118568), (920, 88926), (1104, 74105), (1380, 59284), (1840, 44463), (2760, 29642), (5520, 14821)]