208938720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 192

約数和(自身を含む): 689762304

約数和(自身を除く): 480823584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 53, 60, 80, 86, 96, 106, 120, 129, 159, 160, 172, 191, 212, 215, 240, 258, 265, 318, 344, 382, 424, 430, 480, 516, 530, 573, 636, 645, 688, 764, 795, 848, 860, 955, 1032, 1060, 1146, 1272, 1290, 1376, 1528, 1590, 1696, 1720, 1910, 2064, 2120, 2279, 2292, 2544, 2580, 2865, 3056, 3180, 3440, 3820, 4128, 4240, 4558, 4584, 5088, 5160, 5730, 6112, 6360, 6837, 6880, 7640, 8213, 8480, 9116, 9168, 10123, 10320, 11395, 11460, 12720, 13674, 15280, 16426, 18232, 18336, 20246, 20640, 22790, 22920, 24639, 25440, 27348, 30369, 30560, 32852, 34185, 36464, 40492, 41065, 45580, 45840, 49278, 50615, 54696, 60738, 65704, 68370, 72928, 80984, 82130, 91160, 91680, 98556, 101230, 109392, 121476, 123195, 131408, 136740, 151845, 161968, 164260, 182320, 197112, 202460, 218784, 242952, 246390, 262816, 273480, 303690, 323936, 328520, 364640, 394224, 404920, 435289, 485904, 492780, 546960, 607380, 657040, 788448, 809840, 870578, 971808, 985560, 1093920, 1214760, 1305867, 1314080, 1619680, 1741156, 1971120, 2176445, 2429520, 2611734, 3482312, 3942240, 4352890, 4859040, 5223468, 6529335, 6964624, 8705780, 10446936, 13058670, 13929248, 17411560, 20893872, 26117340, 34823120, 41787744, 52234680, 69646240, 104469360, 208938720]

約数ペア:

[(1, 208938720), (2, 104469360), (3, 69646240), (4, 52234680), (5, 41787744), (6, 34823120), (8, 26117340), (10, 20893872), (12, 17411560), (15, 13929248), (16, 13058670), (20, 10446936), (24, 8705780), (30, 6964624), (32, 6529335), (40, 5223468), (43, 4859040), (48, 4352890), (53, 3942240), (60, 3482312), (80, 2611734), (86, 2429520), (96, 2176445), (106, 1971120), (120, 1741156), (129, 1619680), (159, 1314080), (160, 1305867), (172, 1214760), (191, 1093920), (212, 985560), (215, 971808), (240, 870578), (258, 809840), (265, 788448), (318, 657040), (344, 607380), (382, 546960), (424, 492780), (430, 485904), (480, 435289), (516, 404920), (530, 394224), (573, 364640), (636, 328520), (645, 323936), (688, 303690), (764, 273480), (795, 262816), (848, 246390), (860, 242952), (955, 218784), (1032, 202460), (1060, 197112), (1146, 182320), (1272, 164260), (1290, 161968), (1376, 151845), (1528, 136740), (1590, 131408), (1696, 123195), (1720, 121476), (1910, 109392), (2064, 101230), (2120, 98556), (2279, 91680), (2292, 91160), (2544, 82130), (2580, 80984), (2865, 72928), (3056, 68370), (3180, 65704), (3440, 60738), (3820, 54696), (4128, 50615), (4240, 49278), (4558, 45840), (4584, 45580), (5088, 41065), (5160, 40492), (5730, 36464), (6112, 34185), (6360, 32852), (6837, 30560), (6880, 30369), (7640, 27348), (8213, 25440), (8480, 24639), (9116, 22920), (9168, 22790), (10123, 20640), (10320, 20246), (11395, 18336), (11460, 18232), (12720, 16426), (13674, 15280)]