1989439440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{285839}}^1$

素因数の和:285884

約数の個数: 80

約数和(自身を含む): 6379948800

約数和(自身を除く): 4390509360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 6960, 285839, 571678, 857517, 1143356, 1429195, 1715034, 2286712, 2858390, 3430068, 4287585, 4573424, 5716780, 6860136, 8289331, 8575170, 11433560, 13720272, 16578662, 17150340, 22867120, 24867993, 33157324, 34300680, 41446655, 49735986, 66314648, 68601360, 82893310, 99471972, 124339965, 132629296, 165786620, 198943944, 248679930, 331573240, 397887888, 497359860, 663146480, 994719720, 1989439440]

約数ペア:

[(1, 1989439440), (2, 994719720), (3, 663146480), (4, 497359860), (5, 397887888), (6, 331573240), (8, 248679930), (10, 198943944), (12, 165786620), (15, 132629296), (16, 124339965), (20, 99471972), (24, 82893310), (29, 68601360), (30, 66314648), (40, 49735986), (48, 41446655), (58, 34300680), (60, 33157324), (80, 24867993), (87, 22867120), (116, 17150340), (120, 16578662), (145, 13720272), (174, 11433560), (232, 8575170), (240, 8289331), (290, 6860136), (348, 5716780), (435, 4573424), (464, 4287585), (580, 3430068), (696, 2858390), (870, 2286712), (1160, 1715034), (1392, 1429195), (1740, 1143356), (2320, 857517), (3480, 571678), (6960, 285839)]