210909840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 678813696

約数和(自身を除く): 467903856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 107, 120, 129, 172, 191, 214, 215, 240, 258, 321, 344, 382, 428, 430, 516, 535, 573, 642, 645, 688, 764, 856, 860, 955, 1032, 1070, 1146, 1284, 1290, 1528, 1605, 1712, 1720, 1910, 2064, 2140, 2292, 2568, 2580, 2865, 3056, 3210, 3440, 3820, 4280, 4584, 4601, 5136, 5160, 5730, 6420, 7640, 8213, 8560, 9168, 9202, 10320, 11460, 12840, 13803, 15280, 16426, 18404, 20437, 22920, 23005, 24639, 25680, 27606, 32852, 36808, 40874, 41065, 45840, 46010, 49278, 55212, 61311, 65704, 69015, 73616, 81748, 82130, 92020, 98556, 102185, 110424, 122622, 123195, 131408, 138030, 163496, 164260, 184040, 197112, 204370, 220848, 245244, 246390, 276060, 306555, 326992, 328520, 368080, 394224, 408740, 490488, 492780, 552120, 613110, 657040, 817480, 878791, 980976, 985560, 1104240, 1226220, 1634960, 1757582, 1971120, 2452440, 2636373, 3515164, 4393955, 4904880, 5272746, 7030328, 8787910, 10545492, 13181865, 14060656, 17575820, 21090984, 26363730, 35151640, 42181968, 52727460, 70303280, 105454920, 210909840]

約数ペア:

[(1, 210909840), (2, 105454920), (3, 70303280), (4, 52727460), (5, 42181968), (6, 35151640), (8, 26363730), (10, 21090984), (12, 17575820), (15, 14060656), (16, 13181865), (20, 10545492), (24, 8787910), (30, 7030328), (40, 5272746), (43, 4904880), (48, 4393955), (60, 3515164), (80, 2636373), (86, 2452440), (107, 1971120), (120, 1757582), (129, 1634960), (172, 1226220), (191, 1104240), (214, 985560), (215, 980976), (240, 878791), (258, 817480), (321, 657040), (344, 613110), (382, 552120), (428, 492780), (430, 490488), (516, 408740), (535, 394224), (573, 368080), (642, 328520), (645, 326992), (688, 306555), (764, 276060), (856, 246390), (860, 245244), (955, 220848), (1032, 204370), (1070, 197112), (1146, 184040), (1284, 164260), (1290, 163496), (1528, 138030), (1605, 131408), (1712, 123195), (1720, 122622), (1910, 110424), (2064, 102185), (2140, 98556), (2292, 92020), (2568, 82130), (2580, 81748), (2865, 73616), (3056, 69015), (3210, 65704), (3440, 61311), (3820, 55212), (4280, 49278), (4584, 46010), (4601, 45840), (5136, 41065), (5160, 40874), (5730, 36808), (6420, 32852), (7640, 27606), (8213, 25680), (8560, 24639), (9168, 23005), (9202, 22920), (10320, 20437), (11460, 18404), (12840, 16426), (13803, 15280)]