405137280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2671}}^1$

素因数の和:2772

約数の個数: 128

約数和(自身を含む): 1308211200

約数和(自身を除く): 903073920

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, 2671, 3160, 3792, 4740, 5056, 5342, 6320, 7584, 8013, 9480, 10112, 10684, 12640, 13355, 15168, 16026, 18960, 21368, 25280, 26710, 30336, 32052, 37920, 40065, 42736, 50560, 53420, 64104, 75840, 80130, 85472, 106840, 128208, 151680, 160260, 170944, 211009, 213680, 256416, 320520, 341888, 422018, 427360, 512832, 633027, 641040, 844036, 854720, 1025664, 1055045, 1266054, 1282080, 1688072, 1709440, 2110090, 2532108, 2564160, 3165135, 3376144, 4220180, 5064216, 5128320, 6330270, 6752288, 8440360, 10128432, 12660540, 13504576, 16880720, 20256864, 25321080, 27009152, 33761440, 40513728, 50642160, 67522880, 81027456, 101284320, 135045760, 202568640, 405137280]

約数ペア:

[(1, 405137280), (2, 202568640), (3, 135045760), (4, 101284320), (5, 81027456), (6, 67522880), (8, 50642160), (10, 40513728), (12, 33761440), (15, 27009152), (16, 25321080), (20, 20256864), (24, 16880720), (30, 13504576), (32, 12660540), (40, 10128432), (48, 8440360), (60, 6752288), (64, 6330270), (79, 5128320), (80, 5064216), (96, 4220180), (120, 3376144), (128, 3165135), (158, 2564160), (160, 2532108), (192, 2110090), (237, 1709440), (240, 1688072), (316, 1282080), (320, 1266054), (384, 1055045), (395, 1025664), (474, 854720), (480, 844036), (632, 641040), (640, 633027), (790, 512832), (948, 427360), (960, 422018), (1185, 341888), (1264, 320520), (1580, 256416), (1896, 213680), (1920, 211009), (2370, 170944), (2528, 160260), (2671, 151680), (3160, 128208), (3792, 106840), (4740, 85472), (5056, 80130), (5342, 75840), (6320, 64104), (7584, 53420), (8013, 50560), (9480, 42736), (10112, 40065), (10684, 37920), (12640, 32052), (13355, 30336), (15168, 26710), (16026, 25280), (18960, 21368)]