320465880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 288

約数和(自身を含む): 1246836240

約数和(自身を除く): 926370360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 49, 56, 60, 63, 70, 72, 74, 84, 90, 98, 105, 111, 120, 126, 140, 147, 148, 168, 180, 185, 196, 210, 222, 245, 252, 259, 280, 294, 296, 315, 333, 360, 370, 392, 420, 441, 444, 490, 491, 504, 518, 555, 588, 630, 666, 735, 740, 777, 840, 882, 888, 980, 982, 1036, 1110, 1176, 1260, 1295, 1332, 1470, 1473, 1480, 1554, 1665, 1764, 1813, 1960, 1964, 2072, 2205, 2220, 2331, 2455, 2520, 2590, 2664, 2940, 2946, 3108, 3330, 3437, 3528, 3626, 3885, 3928, 4410, 4419, 4440, 4662, 4910, 5180, 5439, 5880, 5892, 6216, 6660, 6874, 7252, 7365, 7770, 8820, 8838, 9065, 9324, 9820, 10311, 10360, 10878, 11655, 11784, 13320, 13748, 14504, 14730, 15540, 16317, 17185, 17640, 17676, 18130, 18167, 18648, 19640, 20622, 21756, 22095, 23310, 24059, 27195, 27496, 29460, 30933, 31080, 32634, 34370, 35352, 36260, 36334, 41244, 43512, 44190, 46620, 48118, 51555, 54390, 54501, 58920, 61866, 65268, 68740, 72177, 72520, 72668, 81585, 82488, 88380, 90835, 93240, 96236, 103110, 108780, 109002, 120295, 123732, 127169, 130536, 137480, 144354, 145336, 154665, 163170, 163503, 176760, 181670, 192472, 206220, 216531, 217560, 218004, 240590, 247464, 254338, 272505, 288708, 309330, 326340, 327006, 360885, 363340, 381507, 412440, 433062, 436008, 481180, 508676, 545010, 577416, 618660, 635845, 652680, 654012, 721770, 726680, 763014, 817515, 866124, 890183, 962360, 1017352, 1082655, 1090020, 1144521, 1237320, 1271690, 1308024, 1443540, 1526028, 1635030, 1732248, 1780366, 1907535, 2165310, 2180040, 2289042, 2543380, 2670549, 2887080, 3052056, 3270060, 3560732, 3815070, 4330620, 4450915, 4578084, 5086760, 5341098, 5722605, 6540120, 7121464, 7630140, 8011647, 8661240, 8901830, 9156168, 10682196, 11445210, 13352745, 15260280, 16023294, 17803660, 21364392, 22890420, 26705490, 32046588, 35607320, 40058235, 45780840, 53410980, 64093176, 80116470, 106821960, 160232940, 320465880]

約数ペア:

[(1, 320465880), (2, 160232940), (3, 106821960), (4, 80116470), (5, 64093176), (6, 53410980), (7, 45780840), (8, 40058235), (9, 35607320), (10, 32046588), (12, 26705490), (14, 22890420), (15, 21364392), (18, 17803660), (20, 16023294), (21, 15260280), (24, 13352745), (28, 11445210), (30, 10682196), (35, 9156168), (36, 8901830), (37, 8661240), (40, 8011647), (42, 7630140), (45, 7121464), (49, 6540120), (56, 5722605), (60, 5341098), (63, 5086760), (70, 4578084), (72, 4450915), (74, 4330620), (84, 3815070), (90, 3560732), (98, 3270060), (105, 3052056), (111, 2887080), (120, 2670549), (126, 2543380), (140, 2289042), (147, 2180040), (148, 2165310), (168, 1907535), (180, 1780366), (185, 1732248), (196, 1635030), (210, 1526028), (222, 1443540), (245, 1308024), (252, 1271690), (259, 1237320), (280, 1144521), (294, 1090020), (296, 1082655), (315, 1017352), (333, 962360), (360, 890183), (370, 866124), (392, 817515), (420, 763014), (441, 726680), (444, 721770), (490, 654012), (491, 652680), (504, 635845), (518, 618660), (555, 577416), (588, 545010), (630, 508676), (666, 481180), (735, 436008), (740, 433062), (777, 412440), (840, 381507), (882, 363340), (888, 360885), (980, 327006), (982, 326340), (1036, 309330), (1110, 288708), (1176, 272505), (1260, 254338), (1295, 247464), (1332, 240590), (1470, 218004), (1473, 217560), (1480, 216531), (1554, 206220), (1665, 192472), (1764, 181670), (1813, 176760), (1960, 163503), (1964, 163170), (2072, 154665), (2205, 145336), (2220, 144354), (2331, 137480), (2455, 130536), (2520, 127169), (2590, 123732), (2664, 120295), (2940, 109002), (2946, 108780), (3108, 103110), (3330, 96236), (3437, 93240), (3528, 90835), (3626, 88380), (3885, 82488), (3928, 81585), (4410, 72668), (4419, 72520), (4440, 72177), (4662, 68740), (4910, 65268), (5180, 61866), (5439, 58920), (5880, 54501), (5892, 54390), (6216, 51555), (6660, 48118), (6874, 46620), (7252, 44190), (7365, 43512), (7770, 41244), (8820, 36334), (8838, 36260), (9065, 35352), (9324, 34370), (9820, 32634), (10311, 31080), (10360, 30933), (10878, 29460), (11655, 27496), (11784, 27195), (13320, 24059), (13748, 23310), (14504, 22095), (14730, 21756), (15540, 20622), (16317, 19640), (17185, 18648), (17640, 18167), (17676, 18130)]