72561920

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 176160096

約数和(自身を除く): 103598176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 664, 683, 830, 1280, 1328, 1366, 1660, 2656, 2732, 3320, 3415, 5312, 5464, 6640, 6830, 10624, 10928, 13280, 13660, 21248, 21856, 26560, 27320, 43712, 53120, 54640, 56689, 87424, 106240, 109280, 113378, 174848, 218560, 226756, 283445, 437120, 453512, 566890, 874240, 907024, 1133780, 1814048, 2267560, 3628096, 4535120, 7256192, 9070240, 14512384, 18140480, 36280960, 72561920]

約数ペア:

[(1, 72561920), (2, 36280960), (4, 18140480), (5, 14512384), (8, 9070240), (10, 7256192), (16, 4535120), (20, 3628096), (32, 2267560), (40, 1814048), (64, 1133780), (80, 907024), (83, 874240), (128, 566890), (160, 453512), (166, 437120), (256, 283445), (320, 226756), (332, 218560), (415, 174848), (640, 113378), (664, 109280), (683, 106240), (830, 87424), (1280, 56689), (1328, 54640), (1366, 53120), (1660, 43712), (2656, 27320), (2732, 26560), (3320, 21856), (3415, 21248), (5312, 13660), (5464, 13280), (6640, 10928), (6830, 10624)]