128048724

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 336510720

約数和(自身を除く): 208461996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 179, 186, 279, 358, 372, 537, 558, 641, 716, 1074, 1116, 1282, 1611, 1923, 2148, 2564, 3222, 3846, 5549, 5769, 6444, 7692, 11098, 11538, 16647, 19871, 22196, 23076, 33294, 39742, 49941, 59613, 66588, 79484, 99882, 114739, 119226, 178839, 199764, 229478, 238452, 344217, 357678, 458956, 688434, 715356, 1032651, 1376868, 2065302, 3556909, 4130604, 7113818, 10670727, 14227636, 21341454, 32012181, 42682908, 64024362, 128048724]

約数ペア:

[(1, 128048724), (2, 64024362), (3, 42682908), (4, 32012181), (6, 21341454), (9, 14227636), (12, 10670727), (18, 7113818), (31, 4130604), (36, 3556909), (62, 2065302), (93, 1376868), (124, 1032651), (179, 715356), (186, 688434), (279, 458956), (358, 357678), (372, 344217), (537, 238452), (558, 229478), (641, 199764), (716, 178839), (1074, 119226), (1116, 114739), (1282, 99882), (1611, 79484), (1923, 66588), (2148, 59613), (2564, 49941), (3222, 39742), (3846, 33294), (5549, 23076), (5769, 22196), (6444, 19871), (7692, 16647), (11098, 11538)]