23520420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1697}}^1$

素因数の和:1730

約数の個数: 144

約数和(自身を含む): 89002368

約数和(自身を除く): 65481948

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, 1697, 1980, 2310, 2772, 3394, 3465, 4620, 5091, 6788, 6930, 8485, 10182, 11879, 13860, 15273, 16970, 18667, 20364, 23758, 25455, 30546, 33940, 35637, 37334, 47516, 50910, 56001, 59395, 61092, 71274, 74668, 76365, 93335, 101820, 106911, 112002, 118790, 130669, 142548, 152730, 168003, 178185, 186670, 213822, 224004, 237580, 261338, 280005, 305460, 336006, 356370, 373340, 392007, 427644, 522676, 534555, 560010, 653345, 672012, 712740, 784014, 840015, 1069110, 1120020, 1176021, 1306690, 1568028, 1680030, 1960035, 2138220, 2352042, 2613380, 3360060, 3920070, 4704084, 5880105, 7840140, 11760210, 23520420]

約数ペア:

[(1, 23520420), (2, 11760210), (3, 7840140), (4, 5880105), (5, 4704084), (6, 3920070), (7, 3360060), (9, 2613380), (10, 2352042), (11, 2138220), (12, 1960035), (14, 1680030), (15, 1568028), (18, 1306690), (20, 1176021), (21, 1120020), (22, 1069110), (28, 840015), (30, 784014), (33, 712740), (35, 672012), (36, 653345), (42, 560010), (44, 534555), (45, 522676), (55, 427644), (60, 392007), (63, 373340), (66, 356370), (70, 336006), (77, 305460), (84, 280005), (90, 261338), (99, 237580), (105, 224004), (110, 213822), (126, 186670), (132, 178185), (140, 168003), (154, 152730), (165, 142548), (180, 130669), (198, 118790), (210, 112002), (220, 106911), (231, 101820), (252, 93335), (308, 76365), (315, 74668), (330, 71274), (385, 61092), (396, 59395), (420, 56001), (462, 50910), (495, 47516), (630, 37334), (660, 35637), (693, 33940), (770, 30546), (924, 25455), (990, 23758), (1155, 20364), (1260, 18667), (1386, 16970), (1540, 15273), (1697, 13860), (1980, 11879), (2310, 10182), (2772, 8485), (3394, 6930), (3465, 6788), (4620, 5091)]