15321720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127681}}^1$

素因数の和:127695

約数の個数: 32

約数和(自身を含む): 45965520

約数和(自身を除く): 30643800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127681, 255362, 383043, 510724, 638405, 766086, 1021448, 1276810, 1532172, 1915215, 2553620, 3064344, 3830430, 5107240, 7660860, 15321720]

約数ペア:

[(1, 15321720), (2, 7660860), (3, 5107240), (4, 3830430), (5, 3064344), (6, 2553620), (8, 1915215), (10, 1532172), (12, 1276810), (15, 1021448), (20, 766086), (24, 638405), (30, 510724), (40, 383043), (60, 255362), (120, 127681)]