51240420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3697}}^1$

素因数の和:3730

約数の個数: 144

約数和(自身を含む): 193834368

約数和(自身を除く): 142593948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 3697, 4620, 6930, 7394, 11091, 13860, 14788, 18485, 22182, 25879, 33273, 36970, 40667, 44364, 51758, 55455, 66546, 73940, 77637, 81334, 103516, 110910, 122001, 129395, 133092, 155274, 162668, 166365, 203335, 221820, 232911, 244002, 258790, 284669, 310548, 332730, 366003, 388185, 406670, 465822, 488004, 517580, 569338, 610005, 665460, 732006, 776370, 813340, 854007, 931644, 1138676, 1164555, 1220010, 1423345, 1464012, 1552740, 1708014, 1830015, 2329110, 2440020, 2562021, 2846690, 3416028, 3660030, 4270035, 4658220, 5124042, 5693380, 7320060, 8540070, 10248084, 12810105, 17080140, 25620210, 51240420]

約数ペア:

[(1, 51240420), (2, 25620210), (3, 17080140), (4, 12810105), (5, 10248084), (6, 8540070), (7, 7320060), (9, 5693380), (10, 5124042), (11, 4658220), (12, 4270035), (14, 3660030), (15, 3416028), (18, 2846690), (20, 2562021), (21, 2440020), (22, 2329110), (28, 1830015), (30, 1708014), (33, 1552740), (35, 1464012), (36, 1423345), (42, 1220010), (44, 1164555), (45, 1138676), (55, 931644), (60, 854007), (63, 813340), (66, 776370), (70, 732006), (77, 665460), (84, 610005), (90, 569338), (99, 517580), (105, 488004), (110, 465822), (126, 406670), (132, 388185), (140, 366003), (154, 332730), (165, 310548), (180, 284669), (198, 258790), (210, 244002), (220, 232911), (231, 221820), (252, 203335), (308, 166365), (315, 162668), (330, 155274), (385, 133092), (396, 129395), (420, 122001), (462, 110910), (495, 103516), (630, 81334), (660, 77637), (693, 73940), (770, 66546), (924, 55455), (990, 51758), (1155, 44364), (1260, 40667), (1386, 36970), (1540, 33273), (1980, 25879), (2310, 22182), (2772, 18485), (3465, 14788), (3697, 13860), (4620, 11091), (6930, 7394)]