71853660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 229232640

約数和(自身を除く): 157378980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 79, 90, 93, 124, 155, 158, 163, 180, 186, 237, 279, 310, 316, 326, 372, 395, 465, 474, 489, 558, 620, 652, 711, 790, 815, 930, 948, 978, 1116, 1185, 1395, 1422, 1467, 1580, 1630, 1860, 1956, 2370, 2445, 2449, 2790, 2844, 2934, 3260, 3555, 4740, 4890, 4898, 5053, 5580, 5868, 7110, 7335, 7347, 9780, 9796, 10106, 12245, 12877, 14220, 14670, 14694, 15159, 20212, 22041, 24490, 25265, 25754, 29340, 29388, 30318, 36735, 38631, 44082, 45477, 48980, 50530, 51508, 60636, 64385, 73470, 75795, 77262, 88164, 90954, 101060, 110205, 115893, 128770, 146940, 151590, 154524, 181908, 193155, 220410, 227385, 231786, 257540, 303180, 386310, 399187, 440820, 454770, 463572, 579465, 772620, 798374, 909540, 1158930, 1197561, 1596748, 1995935, 2317860, 2395122, 3592683, 3991870, 4790244, 5987805, 7185366, 7983740, 11975610, 14370732, 17963415, 23951220, 35926830, 71853660]

約数ペア:

[(1, 71853660), (2, 35926830), (3, 23951220), (4, 17963415), (5, 14370732), (6, 11975610), (9, 7983740), (10, 7185366), (12, 5987805), (15, 4790244), (18, 3991870), (20, 3592683), (30, 2395122), (31, 2317860), (36, 1995935), (45, 1596748), (60, 1197561), (62, 1158930), (79, 909540), (90, 798374), (93, 772620), (124, 579465), (155, 463572), (158, 454770), (163, 440820), (180, 399187), (186, 386310), (237, 303180), (279, 257540), (310, 231786), (316, 227385), (326, 220410), (372, 193155), (395, 181908), (465, 154524), (474, 151590), (489, 146940), (558, 128770), (620, 115893), (652, 110205), (711, 101060), (790, 90954), (815, 88164), (930, 77262), (948, 75795), (978, 73470), (1116, 64385), (1185, 60636), (1395, 51508), (1422, 50530), (1467, 48980), (1580, 45477), (1630, 44082), (1860, 38631), (1956, 36735), (2370, 30318), (2445, 29388), (2449, 29340), (2790, 25754), (2844, 25265), (2934, 24490), (3260, 22041), (3555, 20212), (4740, 15159), (4890, 14694), (4898, 14670), (5053, 14220), (5580, 12877), (5868, 12245), (7110, 10106), (7335, 9796), (7347, 9780)]