217877160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78941}}^1$

素因数の和:78978

約数の個数: 64

約数和(自身を含む): 682058880

約数和(自身を除く): 464181720

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, 78941, 157882, 236823, 315764, 394705, 473646, 631528, 789410, 947292, 1184115, 1578820, 1815643, 1894584, 2368230, 3157640, 3631286, 4736460, 5446929, 7262572, 9078215, 9472920, 10893858, 14525144, 18156430, 21787716, 27234645, 36312860, 43575432, 54469290, 72625720, 108938580, 217877160]

約数ペア:

[(1, 217877160), (2, 108938580), (3, 72625720), (4, 54469290), (5, 43575432), (6, 36312860), (8, 27234645), (10, 21787716), (12, 18156430), (15, 14525144), (20, 10893858), (23, 9472920), (24, 9078215), (30, 7262572), (40, 5446929), (46, 4736460), (60, 3631286), (69, 3157640), (92, 2368230), (115, 1894584), (120, 1815643), (138, 1578820), (184, 1184115), (230, 947292), (276, 789410), (345, 631528), (460, 473646), (552, 394705), (690, 315764), (920, 236823), (1380, 157882), (2760, 78941)]