72980640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{859}}^1$

素因数の和:939

約数の個数: 144

約数和(自身を含む): 253562400

約数和(自身を除く): 180581760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 708, 720, 859, 885, 944, 1062, 1180, 1416, 1440, 1718, 1770, 1888, 2124, 2360, 2577, 2655, 2832, 3436, 3540, 4248, 4295, 4720, 5154, 5310, 5664, 6872, 7080, 7731, 8496, 8590, 9440, 10308, 10620, 12885, 13744, 14160, 15462, 16992, 17180, 20616, 21240, 25770, 27488, 28320, 30924, 34360, 38655, 41232, 42480, 50681, 51540, 61848, 68720, 77310, 82464, 84960, 101362, 103080, 123696, 137440, 152043, 154620, 202724, 206160, 247392, 253405, 304086, 309240, 405448, 412320, 456129, 506810, 608172, 618480, 760215, 810896, 912258, 1013620, 1216344, 1236960, 1520430, 1621792, 1824516, 2027240, 2280645, 2432688, 3040860, 3649032, 4054480, 4561290, 4865376, 6081720, 7298064, 8108960, 9122580, 12163440, 14596128, 18245160, 24326880, 36490320, 72980640]

約数ペア:

[(1, 72980640), (2, 36490320), (3, 24326880), (4, 18245160), (5, 14596128), (6, 12163440), (8, 9122580), (9, 8108960), (10, 7298064), (12, 6081720), (15, 4865376), (16, 4561290), (18, 4054480), (20, 3649032), (24, 3040860), (30, 2432688), (32, 2280645), (36, 2027240), (40, 1824516), (45, 1621792), (48, 1520430), (59, 1236960), (60, 1216344), (72, 1013620), (80, 912258), (90, 810896), (96, 760215), (118, 618480), (120, 608172), (144, 506810), (160, 456129), (177, 412320), (180, 405448), (236, 309240), (240, 304086), (288, 253405), (295, 247392), (354, 206160), (360, 202724), (472, 154620), (480, 152043), (531, 137440), (590, 123696), (708, 103080), (720, 101362), (859, 84960), (885, 82464), (944, 77310), (1062, 68720), (1180, 61848), (1416, 51540), (1440, 50681), (1718, 42480), (1770, 41232), (1888, 38655), (2124, 34360), (2360, 30924), (2577, 28320), (2655, 27488), (2832, 25770), (3436, 21240), (3540, 20616), (4248, 17180), (4295, 16992), (4720, 15462), (5154, 14160), (5310, 13744), (5664, 12885), (6872, 10620), (7080, 10308), (7731, 9440), (8496, 8590)]