381728000

素因数分解:

$2^8\times 5^3\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 969346560

約数和(自身を除く): 587618560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 125, 128, 151, 158, 160, 200, 250, 256, 302, 316, 320, 395, 400, 500, 604, 632, 640, 755, 790, 800, 1000, 1208, 1264, 1280, 1510, 1580, 1600, 1975, 2000, 2416, 2528, 3020, 3160, 3200, 3775, 3950, 4000, 4832, 5056, 6040, 6320, 6400, 7550, 7900, 8000, 9664, 9875, 10112, 11929, 12080, 12640, 15100, 15800, 16000, 18875, 19328, 19750, 20224, 23858, 24160, 25280, 30200, 31600, 32000, 37750, 38656, 39500, 47716, 48320, 50560, 59645, 60400, 63200, 75500, 79000, 95432, 96640, 101120, 119290, 120800, 126400, 151000, 158000, 190864, 193280, 238580, 241600, 252800, 298225, 302000, 316000, 381728, 477160, 483200, 505600, 596450, 604000, 632000, 763456, 954320, 966400, 1192900, 1208000, 1264000, 1491125, 1526912, 1908640, 2385800, 2416000, 2528000, 2982250, 3053824, 3817280, 4771600, 4832000, 5964500, 7634560, 9543200, 11929000, 15269120, 19086400, 23858000, 38172800, 47716000, 76345600, 95432000, 190864000, 381728000]

約数ペア:

[(1, 381728000), (2, 190864000), (4, 95432000), (5, 76345600), (8, 47716000), (10, 38172800), (16, 23858000), (20, 19086400), (25, 15269120), (32, 11929000), (40, 9543200), (50, 7634560), (64, 5964500), (79, 4832000), (80, 4771600), (100, 3817280), (125, 3053824), (128, 2982250), (151, 2528000), (158, 2416000), (160, 2385800), (200, 1908640), (250, 1526912), (256, 1491125), (302, 1264000), (316, 1208000), (320, 1192900), (395, 966400), (400, 954320), (500, 763456), (604, 632000), (632, 604000), (640, 596450), (755, 505600), (790, 483200), (800, 477160), (1000, 381728), (1208, 316000), (1264, 302000), (1280, 298225), (1510, 252800), (1580, 241600), (1600, 238580), (1975, 193280), (2000, 190864), (2416, 158000), (2528, 151000), (3020, 126400), (3160, 120800), (3200, 119290), (3775, 101120), (3950, 96640), (4000, 95432), (4832, 79000), (5056, 75500), (6040, 63200), (6320, 60400), (6400, 59645), (7550, 50560), (7900, 48320), (8000, 47716), (9664, 39500), (9875, 38656), (10112, 37750), (11929, 32000), (12080, 31600), (12640, 30200), (15100, 25280), (15800, 24160), (16000, 23858), (18875, 20224), (19328, 19750)]