140520420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:831

約数の個数: 120

約数和(自身を含む): 444939264

約数和(自身を除く): 304418844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 127, 135, 162, 180, 254, 270, 324, 381, 405, 508, 540, 635, 683, 762, 810, 1143, 1270, 1366, 1524, 1620, 1905, 2049, 2286, 2540, 2732, 3415, 3429, 3810, 4098, 4572, 5715, 6147, 6830, 6858, 7620, 8196, 10245, 10287, 11430, 12294, 13660, 13716, 17145, 18441, 20490, 20574, 22860, 24588, 30735, 34290, 36882, 40980, 41148, 51435, 55323, 61470, 68580, 73764, 86741, 92205, 102870, 110646, 122940, 173482, 184410, 205740, 221292, 260223, 276615, 346964, 368820, 433705, 520446, 553230, 780669, 867410, 1040892, 1106460, 1301115, 1561338, 1734820, 2342007, 2602230, 3122676, 3903345, 4684014, 5204460, 7026021, 7806690, 9368028, 11710035, 14052042, 15613380, 23420070, 28104084, 35130105, 46840140, 70260210, 140520420]

約数ペア:

[(1, 140520420), (2, 70260210), (3, 46840140), (4, 35130105), (5, 28104084), (6, 23420070), (9, 15613380), (10, 14052042), (12, 11710035), (15, 9368028), (18, 7806690), (20, 7026021), (27, 5204460), (30, 4684014), (36, 3903345), (45, 3122676), (54, 2602230), (60, 2342007), (81, 1734820), (90, 1561338), (108, 1301115), (127, 1106460), (135, 1040892), (162, 867410), (180, 780669), (254, 553230), (270, 520446), (324, 433705), (381, 368820), (405, 346964), (508, 276615), (540, 260223), (635, 221292), (683, 205740), (762, 184410), (810, 173482), (1143, 122940), (1270, 110646), (1366, 102870), (1524, 92205), (1620, 86741), (1905, 73764), (2049, 68580), (2286, 61470), (2540, 55323), (2732, 51435), (3415, 41148), (3429, 40980), (3810, 36882), (4098, 34290), (4572, 30735), (5715, 24588), (6147, 22860), (6830, 20574), (6858, 20490), (7620, 18441), (8196, 17145), (10245, 13716), (10287, 13660), (11430, 12294)]