38417640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{823}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 115689600

約数和(自身を除く): 77271960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 823, 1167, 1556, 1646, 1945, 2334, 2469, 3112, 3292, 3890, 4115, 4668, 4938, 5835, 6584, 7780, 8230, 9336, 9876, 11670, 12345, 15560, 16460, 19752, 23340, 24690, 32920, 46680, 49380, 98760, 320147, 640294, 960441, 1280588, 1600735, 1920882, 2561176, 3201470, 3841764, 4802205, 6402940, 7683528, 9604410, 12805880, 19208820, 38417640]

約数ペア:

[(1, 38417640), (2, 19208820), (3, 12805880), (4, 9604410), (5, 7683528), (6, 6402940), (8, 4802205), (10, 3841764), (12, 3201470), (15, 2561176), (20, 1920882), (24, 1600735), (30, 1280588), (40, 960441), (60, 640294), (120, 320147), (389, 98760), (778, 49380), (823, 46680), (1167, 32920), (1556, 24690), (1646, 23340), (1945, 19752), (2334, 16460), (2469, 15560), (3112, 12345), (3292, 11670), (3890, 9876), (4115, 9336), (4668, 8230), (4938, 7780), (5835, 6584)]