27728800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 77620032

約数和(自身を除く): 49891232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 32, 40, 44, 46, 50, 55, 80, 88, 92, 100, 110, 115, 137, 160, 176, 184, 200, 220, 230, 253, 274, 275, 352, 368, 400, 440, 460, 506, 548, 550, 575, 685, 736, 800, 880, 920, 1012, 1096, 1100, 1150, 1265, 1370, 1507, 1760, 1840, 2024, 2192, 2200, 2300, 2530, 2740, 3014, 3151, 3425, 3680, 4048, 4384, 4400, 4600, 5060, 5480, 6028, 6302, 6325, 6850, 7535, 8096, 8800, 9200, 10120, 10960, 12056, 12604, 12650, 13700, 15070, 15755, 18400, 20240, 21920, 24112, 25208, 25300, 27400, 30140, 31510, 34661, 37675, 40480, 48224, 50416, 50600, 54800, 60280, 63020, 69322, 75350, 78775, 100832, 101200, 109600, 120560, 126040, 138644, 150700, 157550, 173305, 202400, 241120, 252080, 277288, 301400, 315100, 346610, 504160, 554576, 602800, 630200, 693220, 866525, 1109152, 1205600, 1260400, 1386440, 1733050, 2520800, 2772880, 3466100, 5545760, 6932200, 13864400, 27728800]

約数ペア:

[(1, 27728800), (2, 13864400), (4, 6932200), (5, 5545760), (8, 3466100), (10, 2772880), (11, 2520800), (16, 1733050), (20, 1386440), (22, 1260400), (23, 1205600), (25, 1109152), (32, 866525), (40, 693220), (44, 630200), (46, 602800), (50, 554576), (55, 504160), (80, 346610), (88, 315100), (92, 301400), (100, 277288), (110, 252080), (115, 241120), (137, 202400), (160, 173305), (176, 157550), (184, 150700), (200, 138644), (220, 126040), (230, 120560), (253, 109600), (274, 101200), (275, 100832), (352, 78775), (368, 75350), (400, 69322), (440, 63020), (460, 60280), (506, 54800), (548, 50600), (550, 50416), (575, 48224), (685, 40480), (736, 37675), (800, 34661), (880, 31510), (920, 30140), (1012, 27400), (1096, 25300), (1100, 25208), (1150, 24112), (1265, 21920), (1370, 20240), (1507, 18400), (1760, 15755), (1840, 15070), (2024, 13700), (2192, 12650), (2200, 12604), (2300, 12056), (2530, 10960), (2740, 10120), (3014, 9200), (3151, 8800), (3425, 8096), (3680, 7535), (4048, 6850), (4384, 6325), (4400, 6302), (4600, 6028), (5060, 5480)]