61456640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^3$

素因数の和:85

約数の個数: 144

約数和(自身を含む): 177582720

約数和(自身を除く): 116126080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 361, 380, 448, 532, 560, 608, 640, 665, 722, 760, 896, 1064, 1120, 1216, 1280, 1330, 1444, 1520, 1792, 1805, 2128, 2240, 2432, 2527, 2660, 2888, 3040, 3610, 4256, 4480, 4864, 5054, 5320, 5776, 6080, 6859, 7220, 8512, 8960, 10108, 10640, 11552, 12160, 12635, 13718, 14440, 17024, 20216, 21280, 23104, 24320, 25270, 27436, 28880, 34048, 34295, 40432, 42560, 46208, 48013, 50540, 54872, 57760, 68590, 80864, 85120, 92416, 96026, 101080, 109744, 115520, 137180, 161728, 170240, 192052, 202160, 219488, 231040, 240065, 274360, 323456, 384104, 404320, 438976, 462080, 480130, 548720, 646912, 768208, 808640, 877952, 960260, 1097440, 1536416, 1617280, 1755904, 1920520, 2194880, 3072832, 3234560, 3841040, 4389760, 6145664, 7682080, 8779520, 12291328, 15364160, 30728320, 61456640]

約数ペア:

[(1, 61456640), (2, 30728320), (4, 15364160), (5, 12291328), (7, 8779520), (8, 7682080), (10, 6145664), (14, 4389760), (16, 3841040), (19, 3234560), (20, 3072832), (28, 2194880), (32, 1920520), (35, 1755904), (38, 1617280), (40, 1536416), (56, 1097440), (64, 960260), (70, 877952), (76, 808640), (80, 768208), (95, 646912), (112, 548720), (128, 480130), (133, 462080), (140, 438976), (152, 404320), (160, 384104), (190, 323456), (224, 274360), (256, 240065), (266, 231040), (280, 219488), (304, 202160), (320, 192052), (361, 170240), (380, 161728), (448, 137180), (532, 115520), (560, 109744), (608, 101080), (640, 96026), (665, 92416), (722, 85120), (760, 80864), (896, 68590), (1064, 57760), (1120, 54872), (1216, 50540), (1280, 48013), (1330, 46208), (1444, 42560), (1520, 40432), (1792, 34295), (1805, 34048), (2128, 28880), (2240, 27436), (2432, 25270), (2527, 24320), (2660, 23104), (2888, 21280), (3040, 20216), (3610, 17024), (4256, 14440), (4480, 13718), (4864, 12635), (5054, 12160), (5320, 11552), (5776, 10640), (6080, 10108), (6859, 8960), (7220, 8512)]