30917520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1867}}^1$

素因数の和:1909

約数の個数: 120

約数和(自身を含む): 108403776

約数和(自身を除く): 77486256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 1867, 2070, 2760, 3312, 3734, 4140, 5520, 5601, 7468, 8280, 9335, 11202, 14936, 16560, 16803, 18670, 22404, 28005, 29872, 33606, 37340, 42941, 44808, 56010, 67212, 74680, 84015, 85882, 89616, 112020, 128823, 134424, 149360, 168030, 171764, 214705, 224040, 257646, 268848, 336060, 343528, 386469, 429410, 448080, 515292, 644115, 672120, 687056, 772938, 858820, 1030584, 1288230, 1344240, 1545876, 1717640, 1932345, 2061168, 2576460, 3091752, 3435280, 3864690, 5152920, 6183504, 7729380, 10305840, 15458760, 30917520]

約数ペア:

[(1, 30917520), (2, 15458760), (3, 10305840), (4, 7729380), (5, 6183504), (6, 5152920), (8, 3864690), (9, 3435280), (10, 3091752), (12, 2576460), (15, 2061168), (16, 1932345), (18, 1717640), (20, 1545876), (23, 1344240), (24, 1288230), (30, 1030584), (36, 858820), (40, 772938), (45, 687056), (46, 672120), (48, 644115), (60, 515292), (69, 448080), (72, 429410), (80, 386469), (90, 343528), (92, 336060), (115, 268848), (120, 257646), (138, 224040), (144, 214705), (180, 171764), (184, 168030), (207, 149360), (230, 134424), (240, 128823), (276, 112020), (345, 89616), (360, 85882), (368, 84015), (414, 74680), (460, 67212), (552, 56010), (690, 44808), (720, 42941), (828, 37340), (920, 33606), (1035, 29872), (1104, 28005), (1380, 22404), (1656, 18670), (1840, 16803), (1867, 16560), (2070, 14936), (2760, 11202), (3312, 9335), (3734, 8280), (4140, 7468), (5520, 5601)]