159488800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 412473600

約数和(自身を除く): 252984800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 59, 62, 80, 100, 109, 118, 124, 155, 160, 200, 218, 236, 248, 295, 310, 400, 436, 472, 496, 545, 590, 620, 775, 800, 872, 944, 992, 1090, 1180, 1240, 1475, 1550, 1744, 1829, 1888, 2180, 2360, 2480, 2725, 2950, 3100, 3379, 3488, 3658, 4360, 4720, 4960, 5450, 5900, 6200, 6431, 6758, 7316, 8720, 9145, 9440, 10900, 11800, 12400, 12862, 13516, 14632, 16895, 17440, 18290, 21800, 23600, 24800, 25724, 27032, 29264, 32155, 33790, 36580, 43600, 45725, 47200, 51448, 54064, 58528, 64310, 67580, 73160, 84475, 87200, 91450, 102896, 108128, 128620, 135160, 146320, 160775, 168950, 182900, 199361, 205792, 257240, 270320, 292640, 321550, 337900, 365800, 398722, 514480, 540640, 643100, 675800, 731600, 797444, 996805, 1028960, 1286200, 1351600, 1463200, 1594888, 1993610, 2572400, 2703200, 3189776, 3987220, 4984025, 5144800, 6379552, 7974440, 9968050, 15948880, 19936100, 31897760, 39872200, 79744400, 159488800]

約数ペア:

[(1, 159488800), (2, 79744400), (4, 39872200), (5, 31897760), (8, 19936100), (10, 15948880), (16, 9968050), (20, 7974440), (25, 6379552), (31, 5144800), (32, 4984025), (40, 3987220), (50, 3189776), (59, 2703200), (62, 2572400), (80, 1993610), (100, 1594888), (109, 1463200), (118, 1351600), (124, 1286200), (155, 1028960), (160, 996805), (200, 797444), (218, 731600), (236, 675800), (248, 643100), (295, 540640), (310, 514480), (400, 398722), (436, 365800), (472, 337900), (496, 321550), (545, 292640), (590, 270320), (620, 257240), (775, 205792), (800, 199361), (872, 182900), (944, 168950), (992, 160775), (1090, 146320), (1180, 135160), (1240, 128620), (1475, 108128), (1550, 102896), (1744, 91450), (1829, 87200), (1888, 84475), (2180, 73160), (2360, 67580), (2480, 64310), (2725, 58528), (2950, 54064), (3100, 51448), (3379, 47200), (3488, 45725), (3658, 43600), (4360, 36580), (4720, 33790), (4960, 32155), (5450, 29264), (5900, 27032), (6200, 25724), (6431, 24800), (6758, 23600), (7316, 21800), (8720, 18290), (9145, 17440), (9440, 16895), (10900, 14632), (11800, 13516), (12400, 12862)]