242580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 733824

約数和(自身を除く): 491244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 311, 390, 622, 780, 933, 1244, 1555, 1866, 3110, 3732, 4043, 4665, 6220, 8086, 9330, 12129, 16172, 18660, 20215, 24258, 40430, 48516, 60645, 80860, 121290, 242580]

約数ペア:

[(1, 242580), (2, 121290), (3, 80860), (4, 60645), (5, 48516), (6, 40430), (10, 24258), (12, 20215), (13, 18660), (15, 16172), (20, 12129), (26, 9330), (30, 8086), (39, 6220), (52, 4665), (60, 4043), (65, 3732), (78, 3110), (130, 1866), (156, 1555), (195, 1244), (260, 933), (311, 780), (390, 622)]