140594720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 392999040

約数和(自身を除く): 252404320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 227, 245, 280, 316, 392, 395, 454, 490, 553, 560, 632, 784, 790, 908, 980, 1106, 1120, 1135, 1264, 1568, 1580, 1589, 1816, 1960, 2212, 2270, 2528, 2765, 3160, 3178, 3632, 3871, 3920, 4424, 4540, 5530, 6320, 6356, 7264, 7742, 7840, 7945, 8848, 9080, 11060, 11123, 12640, 12712, 15484, 15890, 17696, 17933, 18160, 19355, 22120, 22246, 25424, 30968, 31780, 35866, 36320, 38710, 44240, 44492, 50848, 55615, 61936, 63560, 71732, 77420, 88480, 88984, 89665, 111230, 123872, 125531, 127120, 143464, 154840, 177968, 179330, 222460, 251062, 254240, 286928, 309680, 355936, 358660, 444920, 502124, 573856, 619360, 627655, 717320, 878717, 889840, 1004248, 1255310, 1434640, 1757434, 1779680, 2008496, 2510620, 2869280, 3514868, 4016992, 4393585, 5021240, 7029736, 8787170, 10042480, 14059472, 17574340, 20084960, 28118944, 35148680, 70297360, 140594720]

約数ペア:

[(1, 140594720), (2, 70297360), (4, 35148680), (5, 28118944), (7, 20084960), (8, 17574340), (10, 14059472), (14, 10042480), (16, 8787170), (20, 7029736), (28, 5021240), (32, 4393585), (35, 4016992), (40, 3514868), (49, 2869280), (56, 2510620), (70, 2008496), (79, 1779680), (80, 1757434), (98, 1434640), (112, 1255310), (140, 1004248), (158, 889840), (160, 878717), (196, 717320), (224, 627655), (227, 619360), (245, 573856), (280, 502124), (316, 444920), (392, 358660), (395, 355936), (454, 309680), (490, 286928), (553, 254240), (560, 251062), (632, 222460), (784, 179330), (790, 177968), (908, 154840), (980, 143464), (1106, 127120), (1120, 125531), (1135, 123872), (1264, 111230), (1568, 89665), (1580, 88984), (1589, 88480), (1816, 77420), (1960, 71732), (2212, 63560), (2270, 61936), (2528, 55615), (2765, 50848), (3160, 44492), (3178, 44240), (3632, 38710), (3871, 36320), (3920, 35866), (4424, 31780), (4540, 30968), (5530, 25424), (6320, 22246), (6356, 22120), (7264, 19355), (7742, 18160), (7840, 17933), (7945, 17696), (8848, 15890), (9080, 15484), (11060, 12712), (11123, 12640)]