30891360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 98219520

約数和(自身を除く): 67328160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 240, 278, 417, 463, 480, 556, 695, 834, 926, 1112, 1389, 1390, 1668, 1852, 2085, 2224, 2315, 2778, 2780, 3336, 3704, 4170, 4448, 4630, 5556, 5560, 6672, 6945, 7408, 8340, 9260, 11112, 11120, 13344, 13890, 14816, 16680, 18520, 22224, 22240, 27780, 33360, 37040, 44448, 55560, 64357, 66720, 74080, 111120, 128714, 193071, 222240, 257428, 321785, 386142, 514856, 643570, 772284, 965355, 1029712, 1287140, 1544568, 1930710, 2059424, 2574280, 3089136, 3861420, 5148560, 6178272, 7722840, 10297120, 15445680, 30891360]

約数ペア:

[(1, 30891360), (2, 15445680), (3, 10297120), (4, 7722840), (5, 6178272), (6, 5148560), (8, 3861420), (10, 3089136), (12, 2574280), (15, 2059424), (16, 1930710), (20, 1544568), (24, 1287140), (30, 1029712), (32, 965355), (40, 772284), (48, 643570), (60, 514856), (80, 386142), (96, 321785), (120, 257428), (139, 222240), (160, 193071), (240, 128714), (278, 111120), (417, 74080), (463, 66720), (480, 64357), (556, 55560), (695, 44448), (834, 37040), (926, 33360), (1112, 27780), (1389, 22240), (1390, 22224), (1668, 18520), (1852, 16680), (2085, 14816), (2224, 13890), (2315, 13344), (2778, 11120), (2780, 11112), (3336, 9260), (3704, 8340), (4170, 7408), (4448, 6945), (4630, 6672), (5556, 5560)]