78723120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1067

約数の個数: 160

約数和(自身を含む): 285124608

約数和(自身を除く): 206401488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 210, 235, 240, 280, 282, 329, 336, 376, 420, 470, 560, 564, 658, 705, 752, 840, 940, 987, 997, 1128, 1316, 1410, 1645, 1680, 1880, 1974, 1994, 2256, 2632, 2820, 2991, 3290, 3760, 3948, 3988, 4935, 4985, 5264, 5640, 5982, 6580, 6979, 7896, 7976, 9870, 9970, 11280, 11964, 13160, 13958, 14955, 15792, 15952, 19740, 19940, 20937, 23928, 26320, 27916, 29910, 34895, 39480, 39880, 41874, 46859, 47856, 55832, 59820, 69790, 78960, 79760, 83748, 93718, 104685, 111664, 119640, 139580, 140577, 167496, 187436, 209370, 234295, 239280, 279160, 281154, 328013, 334992, 374872, 418740, 468590, 558320, 562308, 656026, 702885, 749744, 837480, 937180, 984039, 1124616, 1312052, 1405770, 1640065, 1674960, 1874360, 1968078, 2249232, 2624104, 2811540, 3280130, 3748720, 3936156, 4920195, 5248208, 5623080, 6560260, 7872312, 9840390, 11246160, 13120520, 15744624, 19680780, 26241040, 39361560, 78723120]

約数ペア:

[(1, 78723120), (2, 39361560), (3, 26241040), (4, 19680780), (5, 15744624), (6, 13120520), (7, 11246160), (8, 9840390), (10, 7872312), (12, 6560260), (14, 5623080), (15, 5248208), (16, 4920195), (20, 3936156), (21, 3748720), (24, 3280130), (28, 2811540), (30, 2624104), (35, 2249232), (40, 1968078), (42, 1874360), (47, 1674960), (48, 1640065), (56, 1405770), (60, 1312052), (70, 1124616), (80, 984039), (84, 937180), (94, 837480), (105, 749744), (112, 702885), (120, 656026), (140, 562308), (141, 558320), (168, 468590), (188, 418740), (210, 374872), (235, 334992), (240, 328013), (280, 281154), (282, 279160), (329, 239280), (336, 234295), (376, 209370), (420, 187436), (470, 167496), (560, 140577), (564, 139580), (658, 119640), (705, 111664), (752, 104685), (840, 93718), (940, 83748), (987, 79760), (997, 78960), (1128, 69790), (1316, 59820), (1410, 55832), (1645, 47856), (1680, 46859), (1880, 41874), (1974, 39880), (1994, 39480), (2256, 34895), (2632, 29910), (2820, 27916), (2991, 26320), (3290, 23928), (3760, 20937), (3948, 19940), (3988, 19740), (4935, 15952), (4985, 15792), (5264, 14955), (5640, 13958), (5982, 13160), (6580, 11964), (6979, 11280), (7896, 9970), (7976, 9870)]