131803140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 433907712

約数和(自身を除く): 302104572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 196, 210, 245, 254, 294, 353, 381, 420, 490, 508, 588, 635, 706, 735, 762, 889, 980, 1059, 1270, 1412, 1470, 1524, 1765, 1778, 1905, 2118, 2471, 2540, 2667, 2940, 3530, 3556, 3810, 4236, 4445, 4942, 5295, 5334, 6223, 7060, 7413, 7620, 8890, 9884, 10590, 10668, 12355, 12446, 13335, 14826, 17297, 17780, 18669, 21180, 24710, 24892, 26670, 29652, 31115, 34594, 37065, 37338, 44831, 49420, 51891, 53340, 62230, 69188, 74130, 74676, 86485, 89662, 93345, 103782, 124460, 134493, 148260, 172970, 179324, 186690, 207564, 224155, 259455, 268986, 313817, 345940, 373380, 448310, 518910, 537972, 627634, 672465, 896620, 941451, 1037820, 1255268, 1344930, 1569085, 1882902, 2196719, 2689860, 3138170, 3765804, 4393438, 4707255, 6276340, 6590157, 8786876, 9414510, 10983595, 13180314, 18829020, 21967190, 26360628, 32950785, 43934380, 65901570, 131803140]

約数ペア:

[(1, 131803140), (2, 65901570), (3, 43934380), (4, 32950785), (5, 26360628), (6, 21967190), (7, 18829020), (10, 13180314), (12, 10983595), (14, 9414510), (15, 8786876), (20, 6590157), (21, 6276340), (28, 4707255), (30, 4393438), (35, 3765804), (42, 3138170), (49, 2689860), (60, 2196719), (70, 1882902), (84, 1569085), (98, 1344930), (105, 1255268), (127, 1037820), (140, 941451), (147, 896620), (196, 672465), (210, 627634), (245, 537972), (254, 518910), (294, 448310), (353, 373380), (381, 345940), (420, 313817), (490, 268986), (508, 259455), (588, 224155), (635, 207564), (706, 186690), (735, 179324), (762, 172970), (889, 148260), (980, 134493), (1059, 124460), (1270, 103782), (1412, 93345), (1470, 89662), (1524, 86485), (1765, 74676), (1778, 74130), (1905, 69188), (2118, 62230), (2471, 53340), (2540, 51891), (2667, 49420), (2940, 44831), (3530, 37338), (3556, 37065), (3810, 34594), (4236, 31115), (4445, 29652), (4942, 26670), (5295, 24892), (5334, 24710), (6223, 21180), (7060, 18669), (7413, 17780), (7620, 17297), (8890, 14826), (9884, 13335), (10590, 12446), (10668, 12355)]