85760820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 272213760

約数和(自身を除く): 186452940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 79, 90, 111, 148, 158, 163, 180, 185, 222, 237, 316, 326, 333, 370, 395, 444, 474, 489, 555, 652, 666, 711, 740, 790, 815, 948, 978, 1110, 1185, 1332, 1422, 1467, 1580, 1630, 1665, 1956, 2220, 2370, 2445, 2844, 2923, 2934, 3260, 3330, 3555, 4740, 4890, 5846, 5868, 6031, 6660, 7110, 7335, 8769, 9780, 11692, 12062, 12877, 14220, 14615, 14670, 17538, 18093, 24124, 25754, 26307, 29230, 29340, 30155, 35076, 36186, 38631, 43845, 51508, 52614, 54279, 58460, 60310, 64385, 72372, 77262, 87690, 90465, 105228, 108558, 115893, 120620, 128770, 131535, 154524, 175380, 180930, 193155, 217116, 231786, 257540, 263070, 271395, 361860, 386310, 463572, 476449, 526140, 542790, 579465, 772620, 952898, 1085580, 1158930, 1429347, 1905796, 2317860, 2382245, 2858694, 4288041, 4764490, 5717388, 7146735, 8576082, 9528980, 14293470, 17152164, 21440205, 28586940, 42880410, 85760820]

約数ペア:

[(1, 85760820), (2, 42880410), (3, 28586940), (4, 21440205), (5, 17152164), (6, 14293470), (9, 9528980), (10, 8576082), (12, 7146735), (15, 5717388), (18, 4764490), (20, 4288041), (30, 2858694), (36, 2382245), (37, 2317860), (45, 1905796), (60, 1429347), (74, 1158930), (79, 1085580), (90, 952898), (111, 772620), (148, 579465), (158, 542790), (163, 526140), (180, 476449), (185, 463572), (222, 386310), (237, 361860), (316, 271395), (326, 263070), (333, 257540), (370, 231786), (395, 217116), (444, 193155), (474, 180930), (489, 175380), (555, 154524), (652, 131535), (666, 128770), (711, 120620), (740, 115893), (790, 108558), (815, 105228), (948, 90465), (978, 87690), (1110, 77262), (1185, 72372), (1332, 64385), (1422, 60310), (1467, 58460), (1580, 54279), (1630, 52614), (1665, 51508), (1956, 43845), (2220, 38631), (2370, 36186), (2445, 35076), (2844, 30155), (2923, 29340), (2934, 29230), (3260, 26307), (3330, 25754), (3555, 24124), (4740, 18093), (4890, 17538), (5846, 14670), (5868, 14615), (6031, 14220), (6660, 12877), (7110, 12062), (7335, 11692), (8769, 9780)]