1999085040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{2531}}^1$

素因数の和:3647

約数の個数: 120

約数和(自身を含む): 6722368848

約数和(自身を除く): 4723283808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1097, 2194, 2531, 3291, 4388, 5062, 5485, 6582, 7593, 8776, 9873, 10124, 10970, 12655, 13164, 15186, 16455, 17552, 19746, 20248, 21940, 22779, 25310, 26328, 30372, 32910, 37965, 39492, 40496, 43880, 45558, 49365, 50620, 52656, 60744, 65820, 75930, 78984, 87760, 91116, 98730, 101240, 113895, 121488, 131640, 151860, 157968, 182232, 197460, 202480, 227790, 263280, 303720, 364464, 394920, 455580, 607440, 789840, 911160, 1822320, 2776507, 5553014, 8329521, 11106028, 13882535, 16659042, 22212056, 24988563, 27765070, 33318084, 41647605, 44424112, 49977126, 55530140, 66636168, 83295210, 99954252, 111060280, 124942815, 133272336, 166590420, 199908504, 222120560, 249885630, 333180840, 399817008, 499771260, 666361680, 999542520, 1999085040]

約数ペア:

[(1, 1999085040), (2, 999542520), (3, 666361680), (4, 499771260), (5, 399817008), (6, 333180840), (8, 249885630), (9, 222120560), (10, 199908504), (12, 166590420), (15, 133272336), (16, 124942815), (18, 111060280), (20, 99954252), (24, 83295210), (30, 66636168), (36, 55530140), (40, 49977126), (45, 44424112), (48, 41647605), (60, 33318084), (72, 27765070), (80, 24988563), (90, 22212056), (120, 16659042), (144, 13882535), (180, 11106028), (240, 8329521), (360, 5553014), (720, 2776507), (1097, 1822320), (2194, 911160), (2531, 789840), (3291, 607440), (4388, 455580), (5062, 394920), (5485, 364464), (6582, 303720), (7593, 263280), (8776, 227790), (9873, 202480), (10124, 197460), (10970, 182232), (12655, 157968), (13164, 151860), (15186, 131640), (16455, 121488), (17552, 113895), (19746, 101240), (20248, 98730), (21940, 91116), (22779, 87760), (25310, 78984), (26328, 75930), (30372, 65820), (32910, 60744), (37965, 52656), (39492, 50620), (40496, 49365), (43880, 45558)]