306990240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{639563}}^1$

素因数の和:639581

約数の個数: 48

約数和(自身を含む): 967020768

約数和(自身を除く): 660030528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 639563, 1279126, 1918689, 2558252, 3197815, 3837378, 5116504, 6395630, 7674756, 9593445, 10233008, 12791260, 15349512, 19186890, 20466016, 25582520, 30699024, 38373780, 51165040, 61398048, 76747560, 102330080, 153495120, 306990240]

約数ペア:

[(1, 306990240), (2, 153495120), (3, 102330080), (4, 76747560), (5, 61398048), (6, 51165040), (8, 38373780), (10, 30699024), (12, 25582520), (15, 20466016), (16, 19186890), (20, 15349512), (24, 12791260), (30, 10233008), (32, 9593445), (40, 7674756), (48, 6395630), (60, 5116504), (80, 3837378), (96, 3197815), (120, 2558252), (160, 1918689), (240, 1279126), (480, 639563)]