1988640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1381}}^1$

素因数の和:1402

約数の個数: 72

約数和(自身を含む): 6791148

約数和(自身を除く): 4802508

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1381, 1440, 2762, 4143, 5524, 6905, 8286, 11048, 12429, 13810, 16572, 20715, 22096, 24858, 27620, 33144, 41430, 44192, 49716, 55240, 62145, 66288, 82860, 99432, 110480, 124290, 132576, 165720, 198864, 220960, 248580, 331440, 397728, 497160, 662880, 994320, 1988640]

約数ペア:

[(1, 1988640), (2, 994320), (3, 662880), (4, 497160), (5, 397728), (6, 331440), (8, 248580), (9, 220960), (10, 198864), (12, 165720), (15, 132576), (16, 124290), (18, 110480), (20, 99432), (24, 82860), (30, 66288), (32, 62145), (36, 55240), (40, 49716), (45, 44192), (48, 41430), (60, 33144), (72, 27620), (80, 24858), (90, 22096), (96, 20715), (120, 16572), (144, 13810), (160, 12429), (180, 11048), (240, 8286), (288, 6905), (360, 5524), (480, 4143), (720, 2762), (1381, 1440)]