72988128

素因数分解:

$2^5\times 3^4\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1022

約数の個数: 120

約数和(自身を含む): 222286680

約数和(自身を除く): 149298552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 72, 81, 87, 96, 108, 116, 144, 162, 174, 216, 232, 261, 288, 324, 348, 432, 464, 522, 648, 696, 783, 864, 928, 971, 1044, 1296, 1392, 1566, 1942, 2088, 2349, 2592, 2784, 2913, 3132, 3884, 4176, 4698, 5826, 6264, 7768, 8352, 8739, 9396, 11652, 12528, 15536, 17478, 18792, 23304, 25056, 26217, 28159, 31072, 34956, 37584, 46608, 52434, 56318, 69912, 75168, 78651, 84477, 93216, 104868, 112636, 139824, 157302, 168954, 209736, 225272, 253431, 279648, 314604, 337908, 419472, 450544, 506862, 629208, 675816, 760293, 838944, 901088, 1013724, 1258416, 1351632, 1520586, 2027448, 2280879, 2516832, 2703264, 3041172, 4054896, 4561758, 6082344, 8109792, 9123516, 12164688, 18247032, 24329376, 36494064, 72988128]

約数ペア:

[(1, 72988128), (2, 36494064), (3, 24329376), (4, 18247032), (6, 12164688), (8, 9123516), (9, 8109792), (12, 6082344), (16, 4561758), (18, 4054896), (24, 3041172), (27, 2703264), (29, 2516832), (32, 2280879), (36, 2027448), (48, 1520586), (54, 1351632), (58, 1258416), (72, 1013724), (81, 901088), (87, 838944), (96, 760293), (108, 675816), (116, 629208), (144, 506862), (162, 450544), (174, 419472), (216, 337908), (232, 314604), (261, 279648), (288, 253431), (324, 225272), (348, 209736), (432, 168954), (464, 157302), (522, 139824), (648, 112636), (696, 104868), (783, 93216), (864, 84477), (928, 78651), (971, 75168), (1044, 69912), (1296, 56318), (1392, 52434), (1566, 46608), (1942, 37584), (2088, 34956), (2349, 31072), (2592, 28159), (2784, 26217), (2913, 25056), (3132, 23304), (3884, 18792), (4176, 17478), (4698, 15536), (5826, 12528), (6264, 11652), (7768, 9396), (8352, 8739)]