138900660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{37951}}^1$

素因数の和:38024

約数の個数: 48

約数和(自身を含む): 395308032

約数和(自身を除く): 256407372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 37951, 75902, 113853, 151804, 189755, 227706, 379510, 455412, 569265, 759020, 1138530, 2277060, 2315011, 4630022, 6945033, 9260044, 11575055, 13890066, 23150110, 27780132, 34725165, 46300220, 69450330, 138900660]

約数ペア:

[(1, 138900660), (2, 69450330), (3, 46300220), (4, 34725165), (5, 27780132), (6, 23150110), (10, 13890066), (12, 11575055), (15, 9260044), (20, 6945033), (30, 4630022), (60, 2315011), (61, 2277060), (122, 1138530), (183, 759020), (244, 569265), (305, 455412), (366, 379510), (610, 227706), (732, 189755), (915, 151804), (1220, 113853), (1830, 75902), (3660, 37951)]