138820140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 438721920

約数和(自身を除く): 299901780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 61, 90, 94, 122, 141, 180, 183, 188, 235, 244, 269, 282, 305, 366, 423, 470, 538, 549, 564, 610, 705, 732, 807, 846, 915, 940, 1076, 1098, 1220, 1345, 1410, 1614, 1692, 1830, 2115, 2196, 2421, 2690, 2745, 2820, 2867, 3228, 3660, 4035, 4230, 4842, 5380, 5490, 5734, 8070, 8460, 8601, 9684, 10980, 11468, 12105, 12643, 14335, 16140, 16409, 17202, 24210, 25286, 25803, 28670, 32818, 34404, 37929, 43005, 48420, 49227, 50572, 51606, 57340, 63215, 65636, 75858, 82045, 86010, 98454, 103212, 113787, 126430, 129015, 147681, 151716, 164090, 172020, 189645, 196908, 227574, 246135, 252860, 258030, 295362, 328180, 379290, 455148, 492270, 516060, 568935, 590724, 738405, 758580, 771223, 984540, 1137870, 1476810, 1542446, 2275740, 2313669, 2953620, 3084892, 3856115, 4627338, 6941007, 7712230, 9254676, 11568345, 13882014, 15424460, 23136690, 27764028, 34705035, 46273380, 69410070, 138820140]

約数ペア:

[(1, 138820140), (2, 69410070), (3, 46273380), (4, 34705035), (5, 27764028), (6, 23136690), (9, 15424460), (10, 13882014), (12, 11568345), (15, 9254676), (18, 7712230), (20, 6941007), (30, 4627338), (36, 3856115), (45, 3084892), (47, 2953620), (60, 2313669), (61, 2275740), (90, 1542446), (94, 1476810), (122, 1137870), (141, 984540), (180, 771223), (183, 758580), (188, 738405), (235, 590724), (244, 568935), (269, 516060), (282, 492270), (305, 455148), (366, 379290), (423, 328180), (470, 295362), (538, 258030), (549, 252860), (564, 246135), (610, 227574), (705, 196908), (732, 189645), (807, 172020), (846, 164090), (915, 151716), (940, 147681), (1076, 129015), (1098, 126430), (1220, 113787), (1345, 103212), (1410, 98454), (1614, 86010), (1692, 82045), (1830, 75858), (2115, 65636), (2196, 63215), (2421, 57340), (2690, 51606), (2745, 50572), (2820, 49227), (2867, 48420), (3228, 43005), (3660, 37929), (4035, 34404), (4230, 32818), (4842, 28670), (5380, 25803), (5490, 25286), (5734, 24210), (8070, 17202), (8460, 16409), (8601, 16140), (9684, 14335), (10980, 12643), (11468, 12105)]