19923840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1153}}^1$

素因数の和:1181

約数の個数: 128

約数和(自身を含む): 70624800

約数和(自身を除く): 50700960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1153, 1440, 1728, 1920, 2160, 2306, 2880, 3456, 3459, 4320, 4612, 5760, 5765, 6918, 8640, 9224, 10377, 11530, 13836, 17280, 17295, 18448, 20754, 23060, 27672, 31131, 34590, 36896, 41508, 46120, 51885, 55344, 62262, 69180, 73792, 83016, 92240, 103770, 110688, 124524, 138360, 147584, 155655, 166032, 184480, 207540, 221376, 249048, 276720, 311310, 332064, 368960, 415080, 442752, 498096, 553440, 622620, 664128, 737920, 830160, 996192, 1106880, 1245240, 1328256, 1660320, 1992384, 2213760, 2490480, 3320640, 3984768, 4980960, 6641280, 9961920, 19923840]

約数ペア:

[(1, 19923840), (2, 9961920), (3, 6641280), (4, 4980960), (5, 3984768), (6, 3320640), (8, 2490480), (9, 2213760), (10, 1992384), (12, 1660320), (15, 1328256), (16, 1245240), (18, 1106880), (20, 996192), (24, 830160), (27, 737920), (30, 664128), (32, 622620), (36, 553440), (40, 498096), (45, 442752), (48, 415080), (54, 368960), (60, 332064), (64, 311310), (72, 276720), (80, 249048), (90, 221376), (96, 207540), (108, 184480), (120, 166032), (128, 155655), (135, 147584), (144, 138360), (160, 124524), (180, 110688), (192, 103770), (216, 92240), (240, 83016), (270, 73792), (288, 69180), (320, 62262), (360, 55344), (384, 51885), (432, 46120), (480, 41508), (540, 36896), (576, 34590), (640, 31131), (720, 27672), (864, 23060), (960, 20754), (1080, 18448), (1152, 17295), (1153, 17280), (1440, 13836), (1728, 11530), (1920, 10377), (2160, 9224), (2306, 8640), (2880, 6918), (3456, 5765), (3459, 5760), (4320, 4612)]