140749020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 442810368

約数和(自身を除く): 302061348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 127, 131, 141, 180, 188, 235, 254, 262, 282, 381, 393, 423, 470, 508, 524, 564, 635, 655, 705, 762, 786, 846, 940, 1143, 1179, 1270, 1310, 1410, 1524, 1572, 1692, 1905, 1965, 2115, 2286, 2358, 2540, 2620, 2820, 3810, 3930, 4230, 4572, 4716, 5715, 5895, 5969, 6157, 7620, 7860, 8460, 11430, 11790, 11938, 12314, 16637, 17907, 18471, 22860, 23580, 23876, 24628, 29845, 30785, 33274, 35814, 36942, 49911, 53721, 55413, 59690, 61570, 66548, 71628, 73884, 83185, 89535, 92355, 99822, 107442, 110826, 119380, 123140, 149733, 166370, 179070, 184710, 199644, 214884, 221652, 249555, 268605, 277065, 299466, 332740, 358140, 369420, 499110, 537210, 554130, 598932, 748665, 781939, 998220, 1074420, 1108260, 1497330, 1563878, 2345817, 2994660, 3127756, 3909695, 4691634, 7037451, 7819390, 9383268, 11729085, 14074902, 15638780, 23458170, 28149804, 35187255, 46916340, 70374510, 140749020]

約数ペア:

[(1, 140749020), (2, 70374510), (3, 46916340), (4, 35187255), (5, 28149804), (6, 23458170), (9, 15638780), (10, 14074902), (12, 11729085), (15, 9383268), (18, 7819390), (20, 7037451), (30, 4691634), (36, 3909695), (45, 3127756), (47, 2994660), (60, 2345817), (90, 1563878), (94, 1497330), (127, 1108260), (131, 1074420), (141, 998220), (180, 781939), (188, 748665), (235, 598932), (254, 554130), (262, 537210), (282, 499110), (381, 369420), (393, 358140), (423, 332740), (470, 299466), (508, 277065), (524, 268605), (564, 249555), (635, 221652), (655, 214884), (705, 199644), (762, 184710), (786, 179070), (846, 166370), (940, 149733), (1143, 123140), (1179, 119380), (1270, 110826), (1310, 107442), (1410, 99822), (1524, 92355), (1572, 89535), (1692, 83185), (1905, 73884), (1965, 71628), (2115, 66548), (2286, 61570), (2358, 59690), (2540, 55413), (2620, 53721), (2820, 49911), (3810, 36942), (3930, 35814), (4230, 33274), (4572, 30785), (4716, 29845), (5715, 24628), (5895, 23876), (5969, 23580), (6157, 22860), (7620, 18471), (7860, 17907), (8460, 16637), (11430, 12314), (11790, 11938)]