16401664895

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:530

約数の個数: 128

約数和(自身を含む): 26453606400

約数和(自身を除く): 10051941505

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 103, 115, 161, 245, 253, 343, 367, 385, 515, 539, 721, 805, 1127, 1133, 1265, 1715, 1771, 1835, 2369, 2569, 2695, 3605, 3773, 4037, 5047, 5635, 5665, 7889, 7931, 8441, 8855, 11845, 12397, 12845, 16583, 17983, 18865, 20185, 25235, 26059, 28259, 35329, 37801, 39445, 39655, 42205, 55517, 59087, 61985, 82915, 86779, 89915, 92851, 116081, 125881, 130295, 141295, 176645, 182413, 189005, 197813, 264607, 277585, 295435, 388619, 413609, 415811, 433895, 464255, 580405, 629405, 649957, 812567, 869423, 912065, 989065, 1276891, 1323035, 1384691, 1852249, 1943095, 2068045, 2079055, 2895263, 2910677, 3249785, 4062835, 4347115, 4549699, 6085961, 6384455, 6923455, 8938237, 9261245, 9563653, 12965743, 14476315, 14553385, 20374739, 22748495, 30429805, 31847893, 42601727, 44691185, 47818265, 64828715, 66945571, 101873695, 142623173, 159239465, 213008635, 298212089, 334727855, 468618997, 713115865, 1491060445, 2343094985, 3280332979, 16401664895]

約数ペア:

[(1, 16401664895), (5, 3280332979), (7, 2343094985), (11, 1491060445), (23, 713115865), (35, 468618997), (49, 334727855), (55, 298212089), (77, 213008635), (103, 159239465), (115, 142623173), (161, 101873695), (245, 66945571), (253, 64828715), (343, 47818265), (367, 44691185), (385, 42601727), (515, 31847893), (539, 30429805), (721, 22748495), (805, 20374739), (1127, 14553385), (1133, 14476315), (1265, 12965743), (1715, 9563653), (1771, 9261245), (1835, 8938237), (2369, 6923455), (2569, 6384455), (2695, 6085961), (3605, 4549699), (3773, 4347115), (4037, 4062835), (5047, 3249785), (5635, 2910677), (5665, 2895263), (7889, 2079055), (7931, 2068045), (8441, 1943095), (8855, 1852249), (11845, 1384691), (12397, 1323035), (12845, 1276891), (16583, 989065), (17983, 912065), (18865, 869423), (20185, 812567), (25235, 649957), (26059, 629405), (28259, 580405), (35329, 464255), (37801, 433895), (39445, 415811), (39655, 413609), (42205, 388619), (55517, 295435), (59087, 277585), (61985, 264607), (82915, 197813), (86779, 189005), (89915, 182413), (92851, 176645), (116081, 141295), (125881, 130295)]