81057900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 288

約数和(自身を含む): 304980480

約数和(自身を除く): 223922580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 29, 30, 33, 35, 42, 44, 50, 55, 58, 60, 66, 70, 75, 77, 84, 87, 100, 105, 110, 116, 121, 132, 140, 145, 150, 154, 165, 174, 175, 203, 210, 220, 231, 242, 275, 290, 300, 308, 319, 330, 348, 350, 363, 385, 406, 420, 435, 462, 484, 525, 550, 580, 605, 609, 638, 660, 700, 725, 726, 770, 812, 825, 847, 870, 924, 957, 1015, 1050, 1100, 1155, 1210, 1218, 1276, 1331, 1450, 1452, 1540, 1595, 1650, 1694, 1740, 1815, 1914, 1925, 2030, 2100, 2175, 2233, 2310, 2420, 2436, 2541, 2662, 2900, 3025, 3045, 3190, 3300, 3388, 3509, 3630, 3828, 3850, 3993, 4060, 4235, 4350, 4466, 4620, 4785, 5075, 5082, 5324, 5775, 6050, 6090, 6380, 6655, 6699, 7018, 7260, 7700, 7975, 7986, 8470, 8700, 8932, 9075, 9317, 9570, 10150, 10164, 10527, 11165, 11550, 12100, 12180, 12705, 13310, 13398, 14036, 15225, 15950, 15972, 16940, 17545, 18150, 18634, 19140, 19965, 20300, 21054, 21175, 22330, 23100, 23925, 24563, 25410, 26620, 26796, 27951, 30450, 31900, 33275, 33495, 35090, 36300, 37268, 38599, 39930, 42108, 42350, 44660, 46585, 47850, 49126, 50820, 52635, 55825, 55902, 60900, 63525, 66550, 66990, 70180, 73689, 77198, 79860, 84700, 87725, 93170, 95700, 98252, 99825, 105270, 111650, 111804, 115797, 122815, 127050, 133100, 133980, 139755, 147378, 154396, 167475, 175450, 186340, 192995, 199650, 210540, 223300, 231594, 232925, 245630, 254100, 263175, 270193, 279510, 294756, 334950, 350900, 368445, 385990, 399300, 463188, 465850, 491260, 526350, 540386, 559020, 578985, 614075, 669900, 698775, 736890, 771980, 810579, 931700, 964975, 1052700, 1080772, 1157970, 1228150, 1350965, 1397550, 1473780, 1621158, 1842225, 1929950, 2315940, 2456300, 2701930, 2795100, 2894925, 3242316, 3684450, 3859900, 4052895, 5403860, 5789850, 6754825, 7368900, 8105790, 11579700, 13509650, 16211580, 20264475, 27019300, 40528950, 81057900]

約数ペア:

[(1, 81057900), (2, 40528950), (3, 27019300), (4, 20264475), (5, 16211580), (6, 13509650), (7, 11579700), (10, 8105790), (11, 7368900), (12, 6754825), (14, 5789850), (15, 5403860), (20, 4052895), (21, 3859900), (22, 3684450), (25, 3242316), (28, 2894925), (29, 2795100), (30, 2701930), (33, 2456300), (35, 2315940), (42, 1929950), (44, 1842225), (50, 1621158), (55, 1473780), (58, 1397550), (60, 1350965), (66, 1228150), (70, 1157970), (75, 1080772), (77, 1052700), (84, 964975), (87, 931700), (100, 810579), (105, 771980), (110, 736890), (116, 698775), (121, 669900), (132, 614075), (140, 578985), (145, 559020), (150, 540386), (154, 526350), (165, 491260), (174, 465850), (175, 463188), (203, 399300), (210, 385990), (220, 368445), (231, 350900), (242, 334950), (275, 294756), (290, 279510), (300, 270193), (308, 263175), (319, 254100), (330, 245630), (348, 232925), (350, 231594), (363, 223300), (385, 210540), (406, 199650), (420, 192995), (435, 186340), (462, 175450), (484, 167475), (525, 154396), (550, 147378), (580, 139755), (605, 133980), (609, 133100), (638, 127050), (660, 122815), (700, 115797), (725, 111804), (726, 111650), (770, 105270), (812, 99825), (825, 98252), (847, 95700), (870, 93170), (924, 87725), (957, 84700), (1015, 79860), (1050, 77198), (1100, 73689), (1155, 70180), (1210, 66990), (1218, 66550), (1276, 63525), (1331, 60900), (1450, 55902), (1452, 55825), (1540, 52635), (1595, 50820), (1650, 49126), (1694, 47850), (1740, 46585), (1815, 44660), (1914, 42350), (1925, 42108), (2030, 39930), (2100, 38599), (2175, 37268), (2233, 36300), (2310, 35090), (2420, 33495), (2436, 33275), (2541, 31900), (2662, 30450), (2900, 27951), (3025, 26796), (3045, 26620), (3190, 25410), (3300, 24563), (3388, 23925), (3509, 23100), (3630, 22330), (3828, 21175), (3850, 21054), (3993, 20300), (4060, 19965), (4235, 19140), (4350, 18634), (4466, 18150), (4620, 17545), (4785, 16940), (5075, 15972), (5082, 15950), (5324, 15225), (5775, 14036), (6050, 13398), (6090, 13310), (6380, 12705), (6655, 12180), (6699, 12100), (7018, 11550), (7260, 11165), (7700, 10527), (7975, 10164), (7986, 10150), (8470, 9570), (8700, 9317), (8932, 9075)]