67217940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 214905600

約数和(自身を除く): 147687660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 79, 87, 90, 116, 145, 158, 163, 174, 180, 237, 261, 290, 316, 326, 348, 395, 435, 474, 489, 522, 580, 652, 711, 790, 815, 870, 948, 978, 1044, 1185, 1305, 1422, 1467, 1580, 1630, 1740, 1956, 2291, 2370, 2445, 2610, 2844, 2934, 3260, 3555, 4582, 4727, 4740, 4890, 5220, 5868, 6873, 7110, 7335, 9164, 9454, 9780, 11455, 12877, 13746, 14181, 14220, 14670, 18908, 20619, 22910, 23635, 25754, 27492, 28362, 29340, 34365, 38631, 41238, 42543, 45820, 47270, 51508, 56724, 64385, 68730, 70905, 77262, 82476, 85086, 94540, 103095, 115893, 128770, 137460, 141810, 154524, 170172, 193155, 206190, 212715, 231786, 257540, 283620, 373433, 386310, 412380, 425430, 463572, 579465, 746866, 772620, 850860, 1120299, 1158930, 1493732, 1867165, 2240598, 2317860, 3360897, 3734330, 4481196, 5601495, 6721794, 7468660, 11202990, 13443588, 16804485, 22405980, 33608970, 67217940]

約数ペア:

[(1, 67217940), (2, 33608970), (3, 22405980), (4, 16804485), (5, 13443588), (6, 11202990), (9, 7468660), (10, 6721794), (12, 5601495), (15, 4481196), (18, 3734330), (20, 3360897), (29, 2317860), (30, 2240598), (36, 1867165), (45, 1493732), (58, 1158930), (60, 1120299), (79, 850860), (87, 772620), (90, 746866), (116, 579465), (145, 463572), (158, 425430), (163, 412380), (174, 386310), (180, 373433), (237, 283620), (261, 257540), (290, 231786), (316, 212715), (326, 206190), (348, 193155), (395, 170172), (435, 154524), (474, 141810), (489, 137460), (522, 128770), (580, 115893), (652, 103095), (711, 94540), (790, 85086), (815, 82476), (870, 77262), (948, 70905), (978, 68730), (1044, 64385), (1185, 56724), (1305, 51508), (1422, 47270), (1467, 45820), (1580, 42543), (1630, 41238), (1740, 38631), (1956, 34365), (2291, 29340), (2370, 28362), (2445, 27492), (2610, 25754), (2844, 23635), (2934, 22910), (3260, 20619), (3555, 18908), (4582, 14670), (4727, 14220), (4740, 14181), (4890, 13746), (5220, 12877), (5868, 11455), (6873, 9780), (7110, 9454), (7335, 9164)]