261345480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 884822400

約数和(自身を除く): 623476920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 121, 123, 132, 164, 165, 205, 220, 242, 246, 264, 328, 330, 363, 410, 439, 440, 451, 484, 492, 605, 615, 660, 726, 820, 878, 902, 968, 984, 1210, 1230, 1317, 1320, 1353, 1452, 1640, 1756, 1804, 1815, 2195, 2255, 2420, 2460, 2634, 2706, 2904, 3512, 3608, 3630, 4390, 4510, 4829, 4840, 4920, 4961, 5268, 5412, 6585, 6765, 7260, 8780, 9020, 9658, 9922, 10536, 10824, 13170, 13530, 14487, 14520, 14883, 17560, 17999, 18040, 19316, 19844, 24145, 24805, 26340, 27060, 28974, 29766, 35998, 38632, 39688, 48290, 49610, 52680, 53119, 53997, 54120, 57948, 59532, 71996, 72435, 74415, 89995, 96580, 99220, 106238, 107994, 115896, 119064, 143992, 144870, 148830, 159357, 179990, 193160, 197989, 198440, 212476, 215988, 265595, 269985, 289740, 297660, 318714, 359980, 395978, 424952, 431976, 531190, 539970, 579480, 593967, 595320, 637428, 719960, 791956, 796785, 989945, 1062380, 1079940, 1187934, 1274856, 1583912, 1593570, 1979890, 2124760, 2159880, 2177879, 2375868, 2969835, 3187140, 3959780, 4355758, 4751736, 5939670, 6374280, 6533637, 7919560, 8711516, 10889395, 11879340, 13067274, 17423032, 21778790, 23758680, 26134548, 32668185, 43557580, 52269096, 65336370, 87115160, 130672740, 261345480]

約数ペア:

[(1, 261345480), (2, 130672740), (3, 87115160), (4, 65336370), (5, 52269096), (6, 43557580), (8, 32668185), (10, 26134548), (11, 23758680), (12, 21778790), (15, 17423032), (20, 13067274), (22, 11879340), (24, 10889395), (30, 8711516), (33, 7919560), (40, 6533637), (41, 6374280), (44, 5939670), (55, 4751736), (60, 4355758), (66, 3959780), (82, 3187140), (88, 2969835), (110, 2375868), (120, 2177879), (121, 2159880), (123, 2124760), (132, 1979890), (164, 1593570), (165, 1583912), (205, 1274856), (220, 1187934), (242, 1079940), (246, 1062380), (264, 989945), (328, 796785), (330, 791956), (363, 719960), (410, 637428), (439, 595320), (440, 593967), (451, 579480), (484, 539970), (492, 531190), (605, 431976), (615, 424952), (660, 395978), (726, 359980), (820, 318714), (878, 297660), (902, 289740), (968, 269985), (984, 265595), (1210, 215988), (1230, 212476), (1317, 198440), (1320, 197989), (1353, 193160), (1452, 179990), (1640, 159357), (1756, 148830), (1804, 144870), (1815, 143992), (2195, 119064), (2255, 115896), (2420, 107994), (2460, 106238), (2634, 99220), (2706, 96580), (2904, 89995), (3512, 74415), (3608, 72435), (3630, 71996), (4390, 59532), (4510, 57948), (4829, 54120), (4840, 53997), (4920, 53119), (4961, 52680), (5268, 49610), (5412, 48290), (6585, 39688), (6765, 38632), (7260, 35998), (8780, 29766), (9020, 28974), (9658, 27060), (9922, 26340), (10536, 24805), (10824, 24145), (13170, 19844), (13530, 19316), (14487, 18040), (14520, 17999), (14883, 17560)]