89451720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{248477}}^1$

素因数の和:248494

約数の個数: 48

約数和(自身を含む): 290719260

約数和(自身を除く): 201267540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 248477, 496954, 745431, 993908, 1242385, 1490862, 1987816, 2236293, 2484770, 2981724, 3727155, 4472586, 4969540, 5963448, 7454310, 8945172, 9939080, 11181465, 14908620, 17890344, 22362930, 29817240, 44725860, 89451720]

約数ペア:

[(1, 89451720), (2, 44725860), (3, 29817240), (4, 22362930), (5, 17890344), (6, 14908620), (8, 11181465), (9, 9939080), (10, 8945172), (12, 7454310), (15, 5963448), (18, 4969540), (20, 4472586), (24, 3727155), (30, 2981724), (36, 2484770), (40, 2236293), (45, 1987816), (60, 1490862), (72, 1242385), (90, 993908), (120, 745431), (180, 496954), (360, 248477)]