72081180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 229057920

約数和(自身を除く): 156976740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 79, 90, 111, 137, 148, 158, 180, 185, 222, 237, 274, 316, 333, 370, 395, 411, 444, 474, 548, 555, 666, 685, 711, 740, 790, 822, 948, 1110, 1185, 1233, 1332, 1370, 1422, 1580, 1644, 1665, 2055, 2220, 2370, 2466, 2740, 2844, 2923, 3330, 3555, 4110, 4740, 4932, 5069, 5846, 6165, 6660, 7110, 8220, 8769, 10138, 10823, 11692, 12330, 14220, 14615, 15207, 17538, 20276, 21646, 24660, 25345, 26307, 29230, 30414, 32469, 35076, 43292, 43845, 45621, 50690, 52614, 54115, 58460, 60828, 64938, 76035, 87690, 91242, 97407, 101380, 105228, 108230, 129876, 131535, 152070, 162345, 175380, 182484, 194814, 216460, 228105, 263070, 304140, 324690, 389628, 400451, 456210, 487035, 526140, 649380, 800902, 912420, 974070, 1201353, 1601804, 1948140, 2002255, 2402706, 3604059, 4004510, 4805412, 6006765, 7208118, 8009020, 12013530, 14416236, 18020295, 24027060, 36040590, 72081180]

約数ペア:

[(1, 72081180), (2, 36040590), (3, 24027060), (4, 18020295), (5, 14416236), (6, 12013530), (9, 8009020), (10, 7208118), (12, 6006765), (15, 4805412), (18, 4004510), (20, 3604059), (30, 2402706), (36, 2002255), (37, 1948140), (45, 1601804), (60, 1201353), (74, 974070), (79, 912420), (90, 800902), (111, 649380), (137, 526140), (148, 487035), (158, 456210), (180, 400451), (185, 389628), (222, 324690), (237, 304140), (274, 263070), (316, 228105), (333, 216460), (370, 194814), (395, 182484), (411, 175380), (444, 162345), (474, 152070), (548, 131535), (555, 129876), (666, 108230), (685, 105228), (711, 101380), (740, 97407), (790, 91242), (822, 87690), (948, 76035), (1110, 64938), (1185, 60828), (1233, 58460), (1332, 54115), (1370, 52614), (1422, 50690), (1580, 45621), (1644, 43845), (1665, 43292), (2055, 35076), (2220, 32469), (2370, 30414), (2466, 29230), (2740, 26307), (2844, 25345), (2923, 24660), (3330, 21646), (3555, 20276), (4110, 17538), (4740, 15207), (4932, 14615), (5069, 14220), (5846, 12330), (6165, 11692), (6660, 10823), (7110, 10138), (8220, 8769)]