38071980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{823}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 116075232

約数和(自身を除く): 78003252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 823, 1028, 1285, 1542, 1646, 2313, 2469, 2570, 3084, 3292, 3855, 4115, 4626, 4938, 5140, 7407, 7710, 8230, 9252, 9876, 11565, 12345, 14814, 15420, 16460, 23130, 24690, 29628, 37035, 46260, 49380, 74070, 148140, 211511, 423022, 634533, 846044, 1057555, 1269066, 1903599, 2115110, 2538132, 3172665, 3807198, 4230220, 6345330, 7614396, 9517995, 12690660, 19035990, 38071980]

約数ペア:

[(1, 38071980), (2, 19035990), (3, 12690660), (4, 9517995), (5, 7614396), (6, 6345330), (9, 4230220), (10, 3807198), (12, 3172665), (15, 2538132), (18, 2115110), (20, 1903599), (30, 1269066), (36, 1057555), (45, 846044), (60, 634533), (90, 423022), (180, 211511), (257, 148140), (514, 74070), (771, 49380), (823, 46260), (1028, 37035), (1285, 29628), (1542, 24690), (1646, 23130), (2313, 16460), (2469, 15420), (2570, 14814), (3084, 12345), (3292, 11565), (3855, 9876), (4115, 9252), (4626, 8230), (4938, 7710), (5140, 7407)]