1320293718

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^2\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:622

約数の個数: 72

約数和(自身を含む): 2969726760

約数和(自身を除く): 1649433042

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 131, 222, 262, 333, 393, 409, 666, 786, 818, 1179, 1227, 1369, 2358, 2454, 2738, 3681, 4107, 4847, 7362, 8214, 9694, 12321, 14541, 15133, 24642, 29082, 30266, 43623, 45399, 53579, 87246, 90798, 107158, 136197, 160737, 179339, 272394, 321474, 358678, 482211, 538017, 559921, 964422, 1076034, 1119842, 1614051, 1679763, 1982423, 3228102, 3359526, 3964846, 5039289, 5947269, 10078578, 11894538, 17841807, 35683614, 73349651, 146699302, 220048953, 440097906, 660146859, 1320293718]

約数ペア:

[(1, 1320293718), (2, 660146859), (3, 440097906), (6, 220048953), (9, 146699302), (18, 73349651), (37, 35683614), (74, 17841807), (111, 11894538), (131, 10078578), (222, 5947269), (262, 5039289), (333, 3964846), (393, 3359526), (409, 3228102), (666, 1982423), (786, 1679763), (818, 1614051), (1179, 1119842), (1227, 1076034), (1369, 964422), (2358, 559921), (2454, 538017), (2738, 482211), (3681, 358678), (4107, 321474), (4847, 272394), (7362, 179339), (8214, 160737), (9694, 136197), (12321, 107158), (14541, 90798), (15133, 87246), (24642, 53579), (29082, 45399), (30266, 43623)]