248788260

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 288

約数和(自身を含む): 915812352

約数和(自身を除く): 667024092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 81, 84, 90, 103, 105, 108, 126, 135, 140, 142, 162, 180, 189, 206, 210, 213, 243, 252, 270, 284, 309, 315, 324, 355, 378, 405, 412, 420, 426, 486, 497, 515, 540, 567, 618, 630, 639, 710, 721, 756, 810, 852, 927, 945, 972, 994, 1030, 1065, 1134, 1215, 1236, 1260, 1278, 1420, 1442, 1491, 1545, 1620, 1701, 1854, 1890, 1917, 1988, 2060, 2130, 2163, 2268, 2430, 2485, 2556, 2781, 2835, 2884, 2982, 3090, 3195, 3402, 3605, 3708, 3780, 3834, 4260, 4326, 4473, 4635, 4860, 4970, 5562, 5670, 5751, 5964, 6180, 6390, 6489, 6804, 7210, 7313, 7455, 7668, 8343, 8505, 8652, 8946, 9270, 9585, 9940, 10815, 11124, 11340, 11502, 12780, 12978, 13419, 13905, 14420, 14626, 14910, 16686, 17010, 17253, 17892, 18540, 19170, 19467, 21630, 21939, 22365, 23004, 25029, 25956, 26838, 27810, 28755, 29252, 29820, 32445, 33372, 34020, 34506, 36565, 38340, 38934, 40257, 41715, 43260, 43878, 44730, 50058, 51191, 53676, 55620, 57510, 58401, 64890, 65817, 67095, 69012, 73130, 77868, 80514, 83430, 86265, 87756, 89460, 97335, 100116, 102382, 109695, 115020, 116802, 120771, 125145, 129780, 131634, 134190, 146260, 153573, 161028, 166860, 172530, 175203, 194670, 197451, 201285, 204764, 219390, 233604, 241542, 250290, 255955, 263268, 268380, 292005, 307146, 329085, 345060, 350406, 389340, 394902, 402570, 438780, 460719, 483084, 500580, 511910, 584010, 592353, 603855, 614292, 658170, 700812, 767865, 789804, 805140, 876015, 921438, 987255, 1023820, 1168020, 1184706, 1207710, 1316340, 1382157, 1535730, 1752030, 1777059, 1842876, 1974510, 2303595, 2369412, 2415420, 2764314, 2961765, 3071460, 3504060, 3554118, 3949020, 4146471, 4607190, 5528628, 5923530, 6910785, 7108236, 8292942, 8885295, 9214380, 11847060, 12439413, 13821570, 16585884, 17770590, 20732355, 24878826, 27643140, 35541180, 41464710, 49757652, 62197065, 82929420, 124394130, 248788260]

約数ペア:

[(1, 248788260), (2, 124394130), (3, 82929420), (4, 62197065), (5, 49757652), (6, 41464710), (7, 35541180), (9, 27643140), (10, 24878826), (12, 20732355), (14, 17770590), (15, 16585884), (18, 13821570), (20, 12439413), (21, 11847060), (27, 9214380), (28, 8885295), (30, 8292942), (35, 7108236), (36, 6910785), (42, 5923530), (45, 5528628), (54, 4607190), (60, 4146471), (63, 3949020), (70, 3554118), (71, 3504060), (81, 3071460), (84, 2961765), (90, 2764314), (103, 2415420), (105, 2369412), (108, 2303595), (126, 1974510), (135, 1842876), (140, 1777059), (142, 1752030), (162, 1535730), (180, 1382157), (189, 1316340), (206, 1207710), (210, 1184706), (213, 1168020), (243, 1023820), (252, 987255), (270, 921438), (284, 876015), (309, 805140), (315, 789804), (324, 767865), (355, 700812), (378, 658170), (405, 614292), (412, 603855), (420, 592353), (426, 584010), (486, 511910), (497, 500580), (515, 483084), (540, 460719), (567, 438780), (618, 402570), (630, 394902), (639, 389340), (710, 350406), (721, 345060), (756, 329085), (810, 307146), (852, 292005), (927, 268380), (945, 263268), (972, 255955), (994, 250290), (1030, 241542), (1065, 233604), (1134, 219390), (1215, 204764), (1236, 201285), (1260, 197451), (1278, 194670), (1420, 175203), (1442, 172530), (1491, 166860), (1545, 161028), (1620, 153573), (1701, 146260), (1854, 134190), (1890, 131634), (1917, 129780), (1988, 125145), (2060, 120771), (2130, 116802), (2163, 115020), (2268, 109695), (2430, 102382), (2485, 100116), (2556, 97335), (2781, 89460), (2835, 87756), (2884, 86265), (2982, 83430), (3090, 80514), (3195, 77868), (3402, 73130), (3605, 69012), (3708, 67095), (3780, 65817), (3834, 64890), (4260, 58401), (4326, 57510), (4473, 55620), (4635, 53676), (4860, 51191), (4970, 50058), (5562, 44730), (5670, 43878), (5751, 43260), (5964, 41715), (6180, 40257), (6390, 38934), (6489, 38340), (6804, 36565), (7210, 34506), (7313, 34020), (7455, 33372), (7668, 32445), (8343, 29820), (8505, 29252), (8652, 28755), (8946, 27810), (9270, 26838), (9585, 25956), (9940, 25029), (10815, 23004), (11124, 22365), (11340, 21939), (11502, 21630), (12780, 19467), (12978, 19170), (13419, 18540), (13905, 17892), (14420, 17253), (14626, 17010), (14910, 16686)]