252638720

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 160

約数和(自身を含む): 649645920

約数和(自身を除く): 397007200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 64, 80, 82, 83, 116, 128, 145, 160, 164, 166, 205, 232, 256, 290, 320, 328, 332, 410, 415, 464, 512, 580, 640, 656, 664, 820, 830, 928, 1160, 1189, 1280, 1312, 1328, 1640, 1660, 1856, 2320, 2378, 2407, 2560, 2624, 2656, 3280, 3320, 3403, 3712, 4640, 4756, 4814, 5248, 5312, 5945, 6560, 6640, 6806, 7424, 9280, 9512, 9628, 10496, 10624, 11890, 12035, 13120, 13280, 13612, 14848, 17015, 18560, 19024, 19256, 20992, 21248, 23780, 24070, 26240, 26560, 27224, 34030, 37120, 38048, 38512, 42496, 47560, 48140, 52480, 53120, 54448, 68060, 74240, 76096, 77024, 95120, 96280, 98687, 104960, 106240, 108896, 136120, 152192, 154048, 190240, 192560, 197374, 212480, 217792, 272240, 304384, 308096, 380480, 385120, 394748, 435584, 493435, 544480, 608768, 616192, 760960, 770240, 789496, 871168, 986870, 1088960, 1232384, 1521920, 1540480, 1578992, 1742336, 1973740, 2177920, 3043840, 3080960, 3157984, 3947480, 4355840, 6161920, 6315968, 7894960, 8711680, 12631936, 15789920, 25263872, 31579840, 50527744, 63159680, 126319360, 252638720]

約数ペア:

[(1, 252638720), (2, 126319360), (4, 63159680), (5, 50527744), (8, 31579840), (10, 25263872), (16, 15789920), (20, 12631936), (29, 8711680), (32, 7894960), (40, 6315968), (41, 6161920), (58, 4355840), (64, 3947480), (80, 3157984), (82, 3080960), (83, 3043840), (116, 2177920), (128, 1973740), (145, 1742336), (160, 1578992), (164, 1540480), (166, 1521920), (205, 1232384), (232, 1088960), (256, 986870), (290, 871168), (320, 789496), (328, 770240), (332, 760960), (410, 616192), (415, 608768), (464, 544480), (512, 493435), (580, 435584), (640, 394748), (656, 385120), (664, 380480), (820, 308096), (830, 304384), (928, 272240), (1160, 217792), (1189, 212480), (1280, 197374), (1312, 192560), (1328, 190240), (1640, 154048), (1660, 152192), (1856, 136120), (2320, 108896), (2378, 106240), (2407, 104960), (2560, 98687), (2624, 96280), (2656, 95120), (3280, 77024), (3320, 76096), (3403, 74240), (3712, 68060), (4640, 54448), (4756, 53120), (4814, 52480), (5248, 48140), (5312, 47560), (5945, 42496), (6560, 38512), (6640, 38048), (6806, 37120), (7424, 34030), (9280, 27224), (9512, 26560), (9628, 26240), (10496, 24070), (10624, 23780), (11890, 21248), (12035, 20992), (13120, 19256), (13280, 19024), (13612, 18560), (14848, 17015)]