391182720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2579}}^1$

素因数の和:2680

約数の個数: 128

約数和(自身を含む): 1263168000

約数和(自身を除く): 871985280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 316, 320, 384, 395, 474, 480, 632, 640, 790, 948, 960, 1185, 1264, 1580, 1896, 1920, 2370, 2528, 2579, 3160, 3792, 4740, 5056, 5158, 6320, 7584, 7737, 9480, 10112, 10316, 12640, 12895, 15168, 15474, 18960, 20632, 25280, 25790, 30336, 30948, 37920, 38685, 41264, 50560, 51580, 61896, 75840, 77370, 82528, 103160, 123792, 151680, 154740, 165056, 203741, 206320, 247584, 309480, 330112, 407482, 412640, 495168, 611223, 618960, 814964, 825280, 990336, 1018705, 1222446, 1237920, 1629928, 1650560, 2037410, 2444892, 2475840, 3056115, 3259856, 4074820, 4889784, 4951680, 6112230, 6519712, 8149640, 9779568, 12224460, 13039424, 16299280, 19559136, 24448920, 26078848, 32598560, 39118272, 48897840, 65197120, 78236544, 97795680, 130394240, 195591360, 391182720]

約数ペア:

[(1, 391182720), (2, 195591360), (3, 130394240), (4, 97795680), (5, 78236544), (6, 65197120), (8, 48897840), (10, 39118272), (12, 32598560), (15, 26078848), (16, 24448920), (20, 19559136), (24, 16299280), (30, 13039424), (32, 12224460), (40, 9779568), (48, 8149640), (60, 6519712), (64, 6112230), (79, 4951680), (80, 4889784), (96, 4074820), (120, 3259856), (128, 3056115), (158, 2475840), (160, 2444892), (192, 2037410), (237, 1650560), (240, 1629928), (316, 1237920), (320, 1222446), (384, 1018705), (395, 990336), (474, 825280), (480, 814964), (632, 618960), (640, 611223), (790, 495168), (948, 412640), (960, 407482), (1185, 330112), (1264, 309480), (1580, 247584), (1896, 206320), (1920, 203741), (2370, 165056), (2528, 154740), (2579, 151680), (3160, 123792), (3792, 103160), (4740, 82528), (5056, 77370), (5158, 75840), (6320, 61896), (7584, 51580), (7737, 50560), (9480, 41264), (10112, 38685), (10316, 37920), (12640, 30948), (12895, 30336), (15168, 25790), (15474, 25280), (18960, 20632)]