1639267920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{78509}}^1$

素因数の和:78557

約数の個数: 120

約数和(自身を含む): 5695115400

約数和(自身を除く): 4055847480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 20880, 78509, 157018, 235527, 314036, 392545, 471054, 628072, 706581, 785090, 942108, 1177635, 1256144, 1413162, 1570180, 1884216, 2276761, 2355270, 2826324, 3140360, 3532905, 3768432, 4553522, 4710540, 5652648, 6280720, 6830283, 7065810, 9107044, 9421080, 11305296, 11383805, 13660566, 14131620, 18214088, 18842160, 20490849, 22767610, 27321132, 28263240, 34151415, 36428176, 40981698, 45535220, 54642264, 56526480, 68302830, 81963396, 91070440, 102454245, 109284528, 136605660, 163926792, 182140880, 204908490, 273211320, 327853584, 409816980, 546422640, 819633960, 1639267920]

約数ペア:

[(1, 1639267920), (2, 819633960), (3, 546422640), (4, 409816980), (5, 327853584), (6, 273211320), (8, 204908490), (9, 182140880), (10, 163926792), (12, 136605660), (15, 109284528), (16, 102454245), (18, 91070440), (20, 81963396), (24, 68302830), (29, 56526480), (30, 54642264), (36, 45535220), (40, 40981698), (45, 36428176), (48, 34151415), (58, 28263240), (60, 27321132), (72, 22767610), (80, 20490849), (87, 18842160), (90, 18214088), (116, 14131620), (120, 13660566), (144, 11383805), (145, 11305296), (174, 9421080), (180, 9107044), (232, 7065810), (240, 6830283), (261, 6280720), (290, 5652648), (348, 4710540), (360, 4553522), (435, 3768432), (464, 3532905), (522, 3140360), (580, 2826324), (696, 2355270), (720, 2276761), (870, 1884216), (1044, 1570180), (1160, 1413162), (1305, 1256144), (1392, 1177635), (1740, 942108), (2088, 785090), (2320, 706581), (2610, 628072), (3480, 471054), (4176, 392545), (5220, 314036), (6960, 235527), (10440, 157018), (20880, 78509)]