388640640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4937}}^1$

素因数の和:5000

約数の個数: 128

約数和(自身を含む): 1269263520

約数和(自身を除く): 880622880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 3280, 3936, 4920, 4937, 5248, 6560, 7872, 9840, 9874, 13120, 14811, 15744, 19680, 19748, 24685, 26240, 29622, 39360, 39496, 49370, 59244, 74055, 78720, 78992, 98740, 118488, 148110, 157984, 197480, 202417, 236976, 296220, 315968, 394960, 404834, 473952, 592440, 607251, 631936, 789920, 809668, 947904, 1012085, 1184880, 1214502, 1579840, 1619336, 1895808, 2024170, 2369760, 2429004, 3036255, 3159680, 3238672, 4048340, 4739520, 4858008, 6072510, 6477344, 8096680, 9479040, 9716016, 12145020, 12954688, 16193360, 19432032, 24290040, 25909376, 32386720, 38864064, 48580080, 64773440, 77728128, 97160160, 129546880, 194320320, 388640640]

約数ペア:

[(1, 388640640), (2, 194320320), (3, 129546880), (4, 97160160), (5, 77728128), (6, 64773440), (8, 48580080), (10, 38864064), (12, 32386720), (15, 25909376), (16, 24290040), (20, 19432032), (24, 16193360), (30, 12954688), (32, 12145020), (40, 9716016), (41, 9479040), (48, 8096680), (60, 6477344), (64, 6072510), (80, 4858008), (82, 4739520), (96, 4048340), (120, 3238672), (123, 3159680), (128, 3036255), (160, 2429004), (164, 2369760), (192, 2024170), (205, 1895808), (240, 1619336), (246, 1579840), (320, 1214502), (328, 1184880), (384, 1012085), (410, 947904), (480, 809668), (492, 789920), (615, 631936), (640, 607251), (656, 592440), (820, 473952), (960, 404834), (984, 394960), (1230, 315968), (1312, 296220), (1640, 236976), (1920, 202417), (1968, 197480), (2460, 157984), (2624, 148110), (3280, 118488), (3936, 98740), (4920, 78992), (4937, 78720), (5248, 74055), (6560, 59244), (7872, 49370), (9840, 39496), (9874, 39360), (13120, 29622), (14811, 26240), (15744, 24685), (19680, 19748)]