18120660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4951}}^1$

素因数の和:5024

約数の個数: 48

約数和(自身を含む): 51580032

約数和(自身を除く): 33459372

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, 4951, 9902, 14853, 19804, 24755, 29706, 49510, 59412, 74265, 99020, 148530, 297060, 302011, 604022, 906033, 1208044, 1510055, 1812066, 3020110, 3624132, 4530165, 6040220, 9060330, 18120660]

約数ペア:

[(1, 18120660), (2, 9060330), (3, 6040220), (4, 4530165), (5, 3624132), (6, 3020110), (10, 1812066), (12, 1510055), (15, 1208044), (20, 906033), (30, 604022), (60, 302011), (61, 297060), (122, 148530), (183, 99020), (244, 74265), (305, 59412), (366, 49510), (610, 29706), (732, 24755), (915, 19804), (1220, 14853), (1830, 9902), (3660, 4951)]