251194240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1212

約数の個数: 128

約数和(自身を含む): 676823040

約数和(自身を除く): 425628800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1151, 1240, 1364, 1408, 1705, 1760, 1984, 2302, 2480, 2728, 3410, 3520, 3968, 4604, 4960, 5456, 5755, 6820, 7040, 9208, 9920, 10912, 11510, 12661, 13640, 18416, 19840, 21824, 23020, 25322, 27280, 35681, 36832, 43648, 46040, 50644, 54560, 63305, 71362, 73664, 92080, 101288, 109120, 126610, 142724, 147328, 178405, 184160, 202576, 218240, 253220, 285448, 356810, 368320, 392491, 405152, 506440, 570896, 713620, 736640, 784982, 810304, 1012880, 1141792, 1427240, 1569964, 1620608, 1962455, 2025760, 2283584, 2854480, 3139928, 3924910, 4051520, 4567168, 5708960, 6279856, 7849820, 8103040, 11417920, 12559712, 15699640, 22835840, 25119424, 31399280, 50238848, 62798560, 125597120, 251194240]

約数ペア:

[(1, 251194240), (2, 125597120), (4, 62798560), (5, 50238848), (8, 31399280), (10, 25119424), (11, 22835840), (16, 15699640), (20, 12559712), (22, 11417920), (31, 8103040), (32, 7849820), (40, 6279856), (44, 5708960), (55, 4567168), (62, 4051520), (64, 3924910), (80, 3139928), (88, 2854480), (110, 2283584), (124, 2025760), (128, 1962455), (155, 1620608), (160, 1569964), (176, 1427240), (220, 1141792), (248, 1012880), (310, 810304), (320, 784982), (341, 736640), (352, 713620), (440, 570896), (496, 506440), (620, 405152), (640, 392491), (682, 368320), (704, 356810), (880, 285448), (992, 253220), (1151, 218240), (1240, 202576), (1364, 184160), (1408, 178405), (1705, 147328), (1760, 142724), (1984, 126610), (2302, 109120), (2480, 101288), (2728, 92080), (3410, 73664), (3520, 71362), (3968, 63305), (4604, 54560), (4960, 50644), (5456, 46040), (5755, 43648), (6820, 36832), (7040, 35681), (9208, 27280), (9920, 25322), (10912, 23020), (11510, 21824), (12661, 19840), (13640, 18416)]