31416720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1752

約数の個数: 80

約数和(自身を含む): 98684160

約数和(自身を除く): 67267440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1657, 1896, 2370, 3160, 3314, 3792, 4740, 4971, 6320, 6628, 8285, 9480, 9942, 13256, 16570, 18960, 19884, 24855, 26512, 33140, 39768, 49710, 66280, 79536, 99420, 130903, 132560, 198840, 261806, 392709, 397680, 523612, 654515, 785418, 1047224, 1309030, 1570836, 1963545, 2094448, 2618060, 3141672, 3927090, 5236120, 6283344, 7854180, 10472240, 15708360, 31416720]

約数ペア:

[(1, 31416720), (2, 15708360), (3, 10472240), (4, 7854180), (5, 6283344), (6, 5236120), (8, 3927090), (10, 3141672), (12, 2618060), (15, 2094448), (16, 1963545), (20, 1570836), (24, 1309030), (30, 1047224), (40, 785418), (48, 654515), (60, 523612), (79, 397680), (80, 392709), (120, 261806), (158, 198840), (237, 132560), (240, 130903), (316, 99420), (395, 79536), (474, 66280), (632, 49710), (790, 39768), (948, 33140), (1185, 26512), (1264, 24855), (1580, 19884), (1657, 18960), (1896, 16570), (2370, 13256), (3160, 9942), (3314, 9480), (3792, 8285), (4740, 6628), (4971, 6320)]