199113720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127637}}^1$

素因数の和:127664

約数の個数: 64

約数和(自身を含む): 643295520

約数和(自身を除く): 444181800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 127637, 255274, 382911, 510548, 638185, 765822, 1021096, 1276370, 1531644, 1659281, 1914555, 2552740, 3063288, 3318562, 3829110, 4977843, 5105480, 6637124, 7658220, 8296405, 9955686, 13274248, 15316440, 16592810, 19911372, 24889215, 33185620, 39822744, 49778430, 66371240, 99556860, 199113720]

約数ペア:

[(1, 199113720), (2, 99556860), (3, 66371240), (4, 49778430), (5, 39822744), (6, 33185620), (8, 24889215), (10, 19911372), (12, 16592810), (13, 15316440), (15, 13274248), (20, 9955686), (24, 8296405), (26, 7658220), (30, 6637124), (39, 5105480), (40, 4977843), (52, 3829110), (60, 3318562), (65, 3063288), (78, 2552740), (104, 1914555), (120, 1659281), (130, 1531644), (156, 1276370), (195, 1021096), (260, 765822), (312, 638185), (390, 510548), (520, 382911), (780, 255274), (1560, 127637)]