240004920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 741312000

約数和(自身を除く): 501307080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 109, 118, 120, 177, 218, 236, 295, 311, 327, 354, 436, 472, 545, 590, 622, 654, 708, 872, 885, 933, 1090, 1180, 1244, 1308, 1416, 1555, 1635, 1770, 1866, 2180, 2360, 2488, 2616, 3110, 3270, 3540, 3732, 4360, 4665, 6220, 6431, 6540, 7080, 7464, 9330, 12440, 12862, 13080, 18349, 18660, 19293, 25724, 32155, 33899, 36698, 37320, 38586, 51448, 55047, 64310, 67798, 73396, 77172, 91745, 96465, 101697, 110094, 128620, 135596, 146792, 154344, 169495, 183490, 192930, 203394, 220188, 257240, 271192, 275235, 338990, 366980, 385860, 406788, 440376, 508485, 550470, 677980, 733960, 771720, 813576, 1016970, 1100940, 1355960, 2000041, 2033940, 2201880, 4000082, 4067880, 6000123, 8000164, 10000205, 12000246, 16000328, 20000410, 24000492, 30000615, 40000820, 48000984, 60001230, 80001640, 120002460, 240004920]

約数ペア:

[(1, 240004920), (2, 120002460), (3, 80001640), (4, 60001230), (5, 48000984), (6, 40000820), (8, 30000615), (10, 24000492), (12, 20000410), (15, 16000328), (20, 12000246), (24, 10000205), (30, 8000164), (40, 6000123), (59, 4067880), (60, 4000082), (109, 2201880), (118, 2033940), (120, 2000041), (177, 1355960), (218, 1100940), (236, 1016970), (295, 813576), (311, 771720), (327, 733960), (354, 677980), (436, 550470), (472, 508485), (545, 440376), (590, 406788), (622, 385860), (654, 366980), (708, 338990), (872, 275235), (885, 271192), (933, 257240), (1090, 220188), (1180, 203394), (1244, 192930), (1308, 183490), (1416, 169495), (1555, 154344), (1635, 146792), (1770, 135596), (1866, 128620), (2180, 110094), (2360, 101697), (2488, 96465), (2616, 91745), (3110, 77172), (3270, 73396), (3540, 67798), (3732, 64310), (4360, 55047), (4665, 51448), (6220, 38586), (6431, 37320), (6540, 36698), (7080, 33899), (7464, 32155), (9330, 25724), (12440, 19293), (12862, 18660), (13080, 18349)]