199979760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26879}}^1$

素因数の和:26926

約数の個数: 80

約数和(自身を含む): 639959040

約数和(自身を除く): 439979280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 26879, 53758, 80637, 107516, 134395, 161274, 215032, 268790, 322548, 403185, 430064, 537580, 645096, 806370, 833249, 1075160, 1290192, 1612740, 1666498, 2150320, 2499747, 3225480, 3332996, 4166245, 4999494, 6450960, 6665992, 8332490, 9998988, 12498735, 13331984, 16664980, 19997976, 24997470, 33329960, 39995952, 49994940, 66659920, 99989880, 199979760]

約数ペア:

[(1, 199979760), (2, 99989880), (3, 66659920), (4, 49994940), (5, 39995952), (6, 33329960), (8, 24997470), (10, 19997976), (12, 16664980), (15, 13331984), (16, 12498735), (20, 9998988), (24, 8332490), (30, 6665992), (31, 6450960), (40, 4999494), (48, 4166245), (60, 3332996), (62, 3225480), (80, 2499747), (93, 2150320), (120, 1666498), (124, 1612740), (155, 1290192), (186, 1075160), (240, 833249), (248, 806370), (310, 645096), (372, 537580), (465, 430064), (496, 403185), (620, 322548), (744, 268790), (930, 215032), (1240, 161274), (1488, 134395), (1860, 107516), (2480, 80637), (3720, 53758), (7440, 26879)]