72811640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1303}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 180264960

約数和(自身を除く): 107453320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 508, 635, 1016, 1270, 1303, 1397, 2540, 2606, 2794, 5080, 5212, 5588, 6515, 6985, 10424, 11176, 13030, 13970, 14333, 26060, 27940, 28666, 52120, 55880, 57332, 71665, 114664, 143330, 165481, 286660, 330962, 573320, 661924, 827405, 1323848, 1654810, 1820291, 3309620, 3640582, 6619240, 7281164, 9101455, 14562328, 18202910, 36405820, 72811640]

約数ペア:

[(1, 72811640), (2, 36405820), (4, 18202910), (5, 14562328), (8, 9101455), (10, 7281164), (11, 6619240), (20, 3640582), (22, 3309620), (40, 1820291), (44, 1654810), (55, 1323848), (88, 827405), (110, 661924), (127, 573320), (220, 330962), (254, 286660), (440, 165481), (508, 143330), (635, 114664), (1016, 71665), (1270, 57332), (1303, 55880), (1397, 52120), (2540, 28666), (2606, 27940), (2794, 26060), (5080, 14333), (5212, 13970), (5588, 13030), (6515, 11176), (6985, 10424)]