254136480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:463

約数の個数: 192

約数和(自身を含む): 871274880

約数和(自身を除く): 617138400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 139, 156, 160, 195, 208, 240, 260, 278, 293, 312, 390, 416, 417, 480, 520, 556, 586, 624, 695, 780, 834, 879, 1040, 1112, 1172, 1248, 1390, 1465, 1560, 1668, 1758, 1807, 2080, 2085, 2224, 2344, 2780, 2930, 3120, 3336, 3516, 3614, 3809, 4170, 4395, 4448, 4688, 5421, 5560, 5860, 6240, 6672, 7032, 7228, 7618, 8340, 8790, 9035, 9376, 10842, 11120, 11427, 11720, 13344, 14064, 14456, 15236, 16680, 17580, 18070, 19045, 21684, 22240, 22854, 23440, 27105, 28128, 28912, 30472, 33360, 35160, 36140, 38090, 40727, 43368, 45708, 46880, 54210, 57135, 57824, 60944, 66720, 70320, 72280, 76180, 81454, 86736, 91416, 108420, 114270, 121888, 122181, 140640, 144560, 152360, 162908, 173472, 182832, 203635, 216840, 228540, 244362, 289120, 304720, 325816, 365664, 407270, 433680, 457080, 488724, 529451, 609440, 610905, 651632, 814540, 867360, 914160, 977448, 1058902, 1221810, 1303264, 1588353, 1629080, 1828320, 1954896, 2117804, 2443620, 2647255, 3176706, 3258160, 3909792, 4235608, 4887240, 5294510, 6353412, 6516320, 7941765, 8471216, 9774480, 10589020, 12706824, 15883530, 16942432, 19548960, 21178040, 25413648, 31767060, 42356080, 50827296, 63534120, 84712160, 127068240, 254136480]

約数ペア:

[(1, 254136480), (2, 127068240), (3, 84712160), (4, 63534120), (5, 50827296), (6, 42356080), (8, 31767060), (10, 25413648), (12, 21178040), (13, 19548960), (15, 16942432), (16, 15883530), (20, 12706824), (24, 10589020), (26, 9774480), (30, 8471216), (32, 7941765), (39, 6516320), (40, 6353412), (48, 5294510), (52, 4887240), (60, 4235608), (65, 3909792), (78, 3258160), (80, 3176706), (96, 2647255), (104, 2443620), (120, 2117804), (130, 1954896), (139, 1828320), (156, 1629080), (160, 1588353), (195, 1303264), (208, 1221810), (240, 1058902), (260, 977448), (278, 914160), (293, 867360), (312, 814540), (390, 651632), (416, 610905), (417, 609440), (480, 529451), (520, 488724), (556, 457080), (586, 433680), (624, 407270), (695, 365664), (780, 325816), (834, 304720), (879, 289120), (1040, 244362), (1112, 228540), (1172, 216840), (1248, 203635), (1390, 182832), (1465, 173472), (1560, 162908), (1668, 152360), (1758, 144560), (1807, 140640), (2080, 122181), (2085, 121888), (2224, 114270), (2344, 108420), (2780, 91416), (2930, 86736), (3120, 81454), (3336, 76180), (3516, 72280), (3614, 70320), (3809, 66720), (4170, 60944), (4395, 57824), (4448, 57135), (4688, 54210), (5421, 46880), (5560, 45708), (5860, 43368), (6240, 40727), (6672, 38090), (7032, 36140), (7228, 35160), (7618, 33360), (8340, 30472), (8790, 28912), (9035, 28128), (9376, 27105), (10842, 23440), (11120, 22854), (11427, 22240), (11720, 21684), (13344, 19045), (14064, 18070), (14456, 17580), (15236, 16680)]