123386940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8677}}^1$

素因数の和:8771

約数の個数: 72

約数和(自身を含む): 379055040

約数和(自身を除く): 255668100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 8677, 14220, 17354, 26031, 34708, 43385, 52062, 78093, 86770, 104124, 130155, 156186, 173540, 260310, 312372, 390465, 520620, 685483, 780930, 1370966, 1561860, 2056449, 2741932, 3427415, 4112898, 6169347, 6854830, 8225796, 10282245, 12338694, 13709660, 20564490, 24677388, 30846735, 41128980, 61693470, 123386940]

約数ペア:

[(1, 123386940), (2, 61693470), (3, 41128980), (4, 30846735), (5, 24677388), (6, 20564490), (9, 13709660), (10, 12338694), (12, 10282245), (15, 8225796), (18, 6854830), (20, 6169347), (30, 4112898), (36, 3427415), (45, 2741932), (60, 2056449), (79, 1561860), (90, 1370966), (158, 780930), (180, 685483), (237, 520620), (316, 390465), (395, 312372), (474, 260310), (711, 173540), (790, 156186), (948, 130155), (1185, 104124), (1422, 86770), (1580, 78093), (2370, 52062), (2844, 43385), (3555, 34708), (4740, 26031), (7110, 17354), (8677, 14220)]