7205440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 112

約数和(自身を含む): 19751040

約数和(自身を除く): 12545600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 89, 92, 110, 115, 160, 176, 178, 184, 220, 230, 253, 320, 352, 356, 368, 440, 445, 460, 506, 704, 712, 736, 880, 890, 920, 979, 1012, 1265, 1424, 1472, 1760, 1780, 1840, 1958, 2024, 2047, 2530, 2848, 3520, 3560, 3680, 3916, 4048, 4094, 4895, 5060, 5696, 7120, 7360, 7832, 8096, 8188, 9790, 10120, 10235, 14240, 15664, 16192, 16376, 19580, 20240, 20470, 22517, 28480, 31328, 32752, 39160, 40480, 40940, 45034, 62656, 65504, 78320, 80960, 81880, 90068, 112585, 131008, 156640, 163760, 180136, 225170, 313280, 327520, 360272, 450340, 655040, 720544, 900680, 1441088, 1801360, 3602720, 7205440]

約数ペア:

[(1, 7205440), (2, 3602720), (4, 1801360), (5, 1441088), (8, 900680), (10, 720544), (11, 655040), (16, 450340), (20, 360272), (22, 327520), (23, 313280), (32, 225170), (40, 180136), (44, 163760), (46, 156640), (55, 131008), (64, 112585), (80, 90068), (88, 81880), (89, 80960), (92, 78320), (110, 65504), (115, 62656), (160, 45034), (176, 40940), (178, 40480), (184, 39160), (220, 32752), (230, 31328), (253, 28480), (320, 22517), (352, 20470), (356, 20240), (368, 19580), (440, 16376), (445, 16192), (460, 15664), (506, 14240), (704, 10235), (712, 10120), (736, 9790), (880, 8188), (890, 8096), (920, 7832), (979, 7360), (1012, 7120), (1265, 5696), (1424, 5060), (1472, 4895), (1760, 4094), (1780, 4048), (1840, 3916), (1958, 3680), (2024, 3560), (2047, 3520), (2530, 2848)]