256688100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:939

約数の個数: 216

約数和(自身を含む): 897755040

約数和(自身を除く): 641066940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 25, 30, 34, 36, 38, 45, 50, 51, 57, 60, 68, 75, 76, 85, 90, 95, 100, 102, 114, 150, 153, 170, 171, 180, 190, 204, 225, 228, 255, 285, 300, 306, 323, 340, 342, 380, 425, 450, 475, 510, 570, 612, 646, 684, 765, 850, 855, 883, 900, 950, 969, 1020, 1140, 1275, 1292, 1425, 1530, 1615, 1700, 1710, 1766, 1900, 1938, 2550, 2649, 2850, 2907, 3060, 3230, 3420, 3532, 3825, 3876, 4275, 4415, 4845, 5100, 5298, 5700, 5814, 6460, 7650, 7947, 8075, 8550, 8830, 9690, 10596, 11628, 13245, 14535, 15011, 15300, 15894, 16150, 16777, 17100, 17660, 19380, 22075, 24225, 26490, 29070, 30022, 31788, 32300, 33554, 39735, 44150, 45033, 48450, 50331, 52980, 58140, 60044, 66225, 67108, 72675, 75055, 79470, 83885, 88300, 90066, 96900, 100662, 132450, 135099, 145350, 150110, 150993, 158940, 167770, 180132, 198675, 201324, 225165, 251655, 264900, 270198, 285209, 290700, 300220, 301986, 335540, 375275, 397350, 419425, 450330, 503310, 540396, 570418, 603972, 675495, 750550, 754965, 794700, 838850, 855627, 900660, 1006620, 1125825, 1140836, 1258275, 1350990, 1426045, 1501100, 1509930, 1677700, 1711254, 2251650, 2516550, 2566881, 2701980, 2852090, 3019860, 3377475, 3422508, 3774825, 4278135, 4503300, 5033100, 5133762, 5704180, 6754950, 7130225, 7549650, 8556270, 10267524, 12834405, 13509900, 14260450, 15099300, 17112540, 21390675, 25668810, 28520900, 42781350, 51337620, 64172025, 85562700, 128344050, 256688100]

約数ペア:

[(1, 256688100), (2, 128344050), (3, 85562700), (4, 64172025), (5, 51337620), (6, 42781350), (9, 28520900), (10, 25668810), (12, 21390675), (15, 17112540), (17, 15099300), (18, 14260450), (19, 13509900), (20, 12834405), (25, 10267524), (30, 8556270), (34, 7549650), (36, 7130225), (38, 6754950), (45, 5704180), (50, 5133762), (51, 5033100), (57, 4503300), (60, 4278135), (68, 3774825), (75, 3422508), (76, 3377475), (85, 3019860), (90, 2852090), (95, 2701980), (100, 2566881), (102, 2516550), (114, 2251650), (150, 1711254), (153, 1677700), (170, 1509930), (171, 1501100), (180, 1426045), (190, 1350990), (204, 1258275), (225, 1140836), (228, 1125825), (255, 1006620), (285, 900660), (300, 855627), (306, 838850), (323, 794700), (340, 754965), (342, 750550), (380, 675495), (425, 603972), (450, 570418), (475, 540396), (510, 503310), (570, 450330), (612, 419425), (646, 397350), (684, 375275), (765, 335540), (850, 301986), (855, 300220), (883, 290700), (900, 285209), (950, 270198), (969, 264900), (1020, 251655), (1140, 225165), (1275, 201324), (1292, 198675), (1425, 180132), (1530, 167770), (1615, 158940), (1700, 150993), (1710, 150110), (1766, 145350), (1900, 135099), (1938, 132450), (2550, 100662), (2649, 96900), (2850, 90066), (2907, 88300), (3060, 83885), (3230, 79470), (3420, 75055), (3532, 72675), (3825, 67108), (3876, 66225), (4275, 60044), (4415, 58140), (4845, 52980), (5100, 50331), (5298, 48450), (5700, 45033), (5814, 44150), (6460, 39735), (7650, 33554), (7947, 32300), (8075, 31788), (8550, 30022), (8830, 29070), (9690, 26490), (10596, 24225), (11628, 22075), (13245, 19380), (14535, 17660), (15011, 17100), (15300, 16777), (15894, 16150)]