254549680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 780164352

約数和(自身を除く): 525614672

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 43, 44, 55, 56, 62, 70, 77, 80, 86, 88, 110, 112, 124, 140, 154, 155, 172, 176, 215, 217, 220, 248, 280, 301, 308, 310, 341, 344, 385, 430, 434, 440, 473, 496, 560, 602, 616, 620, 682, 688, 770, 860, 868, 880, 946, 961, 1085, 1204, 1232, 1240, 1333, 1364, 1505, 1540, 1705, 1720, 1736, 1892, 1922, 2170, 2365, 2387, 2408, 2480, 2666, 2728, 3010, 3080, 3311, 3410, 3440, 3472, 3784, 3844, 4340, 4730, 4774, 4805, 4816, 5332, 5456, 6020, 6160, 6622, 6665, 6727, 6820, 7568, 7688, 8680, 9331, 9460, 9548, 9610, 10571, 10664, 11935, 12040, 13244, 13330, 13454, 13640, 14663, 15376, 16555, 17360, 18662, 18920, 19096, 19220, 21142, 21328, 23870, 24080, 26488, 26660, 26908, 27280, 29326, 33110, 33635, 37324, 37840, 38192, 38440, 41323, 42284, 46655, 47740, 52855, 52976, 53320, 53816, 58652, 66220, 67270, 73315, 73997, 74648, 76880, 82646, 84568, 93310, 95480, 102641, 105710, 106640, 107632, 117304, 132440, 134540, 146630, 147994, 149296, 165292, 169136, 186620, 190960, 205282, 206615, 211420, 234608, 264880, 269080, 289261, 293260, 295988, 330584, 369985, 373240, 410564, 413230, 422840, 454553, 513205, 538160, 578522, 586520, 591976, 661168, 739970, 746480, 821128, 826460, 845680, 909106, 1026410, 1157044, 1173040, 1183952, 1446305, 1479940, 1642256, 1652920, 1818212, 2052820, 2272765, 2314088, 2892610, 2959880, 3181871, 3305840, 3636424, 4105640, 4545530, 4628176, 5785220, 5919760, 6363742, 7272848, 8211280, 9091060, 11570440, 12727484, 15909355, 18182120, 23140880, 25454968, 31818710, 36364240, 50909936, 63637420, 127274840, 254549680]

約数ペア:

[(1, 254549680), (2, 127274840), (4, 63637420), (5, 50909936), (7, 36364240), (8, 31818710), (10, 25454968), (11, 23140880), (14, 18182120), (16, 15909355), (20, 12727484), (22, 11570440), (28, 9091060), (31, 8211280), (35, 7272848), (40, 6363742), (43, 5919760), (44, 5785220), (55, 4628176), (56, 4545530), (62, 4105640), (70, 3636424), (77, 3305840), (80, 3181871), (86, 2959880), (88, 2892610), (110, 2314088), (112, 2272765), (124, 2052820), (140, 1818212), (154, 1652920), (155, 1642256), (172, 1479940), (176, 1446305), (215, 1183952), (217, 1173040), (220, 1157044), (248, 1026410), (280, 909106), (301, 845680), (308, 826460), (310, 821128), (341, 746480), (344, 739970), (385, 661168), (430, 591976), (434, 586520), (440, 578522), (473, 538160), (496, 513205), (560, 454553), (602, 422840), (616, 413230), (620, 410564), (682, 373240), (688, 369985), (770, 330584), (860, 295988), (868, 293260), (880, 289261), (946, 269080), (961, 264880), (1085, 234608), (1204, 211420), (1232, 206615), (1240, 205282), (1333, 190960), (1364, 186620), (1505, 169136), (1540, 165292), (1705, 149296), (1720, 147994), (1736, 146630), (1892, 134540), (1922, 132440), (2170, 117304), (2365, 107632), (2387, 106640), (2408, 105710), (2480, 102641), (2666, 95480), (2728, 93310), (3010, 84568), (3080, 82646), (3311, 76880), (3410, 74648), (3440, 73997), (3472, 73315), (3784, 67270), (3844, 66220), (4340, 58652), (4730, 53816), (4774, 53320), (4805, 52976), (4816, 52855), (5332, 47740), (5456, 46655), (6020, 42284), (6160, 41323), (6622, 38440), (6665, 38192), (6727, 37840), (6820, 37324), (7568, 33635), (7688, 33110), (8680, 29326), (9331, 27280), (9460, 26908), (9548, 26660), (9610, 26488), (10571, 24080), (10664, 23870), (11935, 21328), (12040, 21142), (13244, 19220), (13330, 19096), (13454, 18920), (13640, 18662), (14663, 17360), (15376, 16555)]