81494640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1301}}^1$

素因数の和:1352

約数の個数: 160

約数和(自身を含む): 290606400

約数和(自身を除く): 209111760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1301, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2602, 2610, 3132, 3480, 3903, 3915, 4176, 5204, 5220, 6264, 6505, 6960, 7806, 7830, 10408, 10440, 11709, 12528, 13010, 15612, 15660, 19515, 20816, 20880, 23418, 26020, 31224, 31320, 35127, 37729, 39030, 46836, 52040, 58545, 62448, 62640, 70254, 75458, 78060, 93672, 104080, 113187, 117090, 140508, 150916, 156120, 175635, 187344, 188645, 226374, 234180, 281016, 301832, 312240, 339561, 351270, 377290, 452748, 468360, 562032, 565935, 603664, 679122, 702540, 754580, 905496, 936720, 1018683, 1131870, 1358244, 1405080, 1509160, 1697805, 1810992, 2037366, 2263740, 2716488, 2810160, 3018320, 3395610, 4074732, 4527480, 5093415, 5432976, 6791220, 8149464, 9054960, 10186830, 13582440, 16298928, 20373660, 27164880, 40747320, 81494640]

約数ペア:

[(1, 81494640), (2, 40747320), (3, 27164880), (4, 20373660), (5, 16298928), (6, 13582440), (8, 10186830), (9, 9054960), (10, 8149464), (12, 6791220), (15, 5432976), (16, 5093415), (18, 4527480), (20, 4074732), (24, 3395610), (27, 3018320), (29, 2810160), (30, 2716488), (36, 2263740), (40, 2037366), (45, 1810992), (48, 1697805), (54, 1509160), (58, 1405080), (60, 1358244), (72, 1131870), (80, 1018683), (87, 936720), (90, 905496), (108, 754580), (116, 702540), (120, 679122), (135, 603664), (144, 565935), (145, 562032), (174, 468360), (180, 452748), (216, 377290), (232, 351270), (240, 339561), (261, 312240), (270, 301832), (290, 281016), (348, 234180), (360, 226374), (432, 188645), (435, 187344), (464, 175635), (522, 156120), (540, 150916), (580, 140508), (696, 117090), (720, 113187), (783, 104080), (870, 93672), (1044, 78060), (1080, 75458), (1160, 70254), (1301, 62640), (1305, 62448), (1392, 58545), (1566, 52040), (1740, 46836), (2088, 39030), (2160, 37729), (2320, 35127), (2602, 31320), (2610, 31224), (3132, 26020), (3480, 23418), (3903, 20880), (3915, 20816), (4176, 19515), (5204, 15660), (5220, 15612), (6264, 13010), (6505, 12528), (6960, 11709), (7806, 10440), (7830, 10408)]