287760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 982080

約数和(自身を除く): 694320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 109, 110, 120, 132, 165, 176, 218, 220, 240, 264, 327, 330, 436, 440, 528, 545, 654, 660, 872, 880, 1090, 1199, 1308, 1320, 1635, 1744, 2180, 2398, 2616, 2640, 3270, 3597, 4360, 4796, 5232, 5995, 6540, 7194, 8720, 9592, 11990, 13080, 14388, 17985, 19184, 23980, 26160, 28776, 35970, 47960, 57552, 71940, 95920, 143880, 287760]

約数ペア:

[(1, 287760), (2, 143880), (3, 95920), (4, 71940), (5, 57552), (6, 47960), (8, 35970), (10, 28776), (11, 26160), (12, 23980), (15, 19184), (16, 17985), (20, 14388), (22, 13080), (24, 11990), (30, 9592), (33, 8720), (40, 7194), (44, 6540), (48, 5995), (55, 5232), (60, 4796), (66, 4360), (80, 3597), (88, 3270), (109, 2640), (110, 2616), (120, 2398), (132, 2180), (165, 1744), (176, 1635), (218, 1320), (220, 1308), (240, 1199), (264, 1090), (327, 880), (330, 872), (436, 660), (440, 654), (528, 545)]