638175360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{877}}^1$

素因数の和:1278

約数の個数: 128

約数和(自身を含む): 2041876800

約数和(自身を除く): 1403701440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 379, 384, 480, 640, 758, 877, 960, 1137, 1516, 1754, 1895, 1920, 2274, 2631, 3032, 3508, 3790, 4385, 4548, 5262, 5685, 6064, 7016, 7580, 8770, 9096, 10524, 11370, 12128, 13155, 14032, 15160, 17540, 18192, 21048, 22740, 24256, 26310, 28064, 30320, 35080, 36384, 42096, 45480, 48512, 52620, 56128, 60640, 70160, 72768, 84192, 90960, 105240, 112256, 121280, 140320, 145536, 168384, 181920, 210480, 242560, 280640, 332383, 336768, 363840, 420960, 561280, 664766, 727680, 841920, 997149, 1329532, 1661915, 1683840, 1994298, 2659064, 3323830, 3988596, 4985745, 5318128, 6647660, 7977192, 9971490, 10636256, 13295320, 15954384, 19942980, 21272512, 26590640, 31908768, 39885960, 42545024, 53181280, 63817536, 79771920, 106362560, 127635072, 159543840, 212725120, 319087680, 638175360]

約数ペア:

[(1, 638175360), (2, 319087680), (3, 212725120), (4, 159543840), (5, 127635072), (6, 106362560), (8, 79771920), (10, 63817536), (12, 53181280), (15, 42545024), (16, 39885960), (20, 31908768), (24, 26590640), (30, 21272512), (32, 19942980), (40, 15954384), (48, 13295320), (60, 10636256), (64, 9971490), (80, 7977192), (96, 6647660), (120, 5318128), (128, 4985745), (160, 3988596), (192, 3323830), (240, 2659064), (320, 1994298), (379, 1683840), (384, 1661915), (480, 1329532), (640, 997149), (758, 841920), (877, 727680), (960, 664766), (1137, 561280), (1516, 420960), (1754, 363840), (1895, 336768), (1920, 332383), (2274, 280640), (2631, 242560), (3032, 210480), (3508, 181920), (3790, 168384), (4385, 145536), (4548, 140320), (5262, 121280), (5685, 112256), (6064, 105240), (7016, 90960), (7580, 84192), (8770, 72768), (9096, 70160), (10524, 60640), (11370, 56128), (12128, 52620), (13155, 48512), (14032, 45480), (15160, 42096), (17540, 36384), (18192, 35080), (21048, 30320), (22740, 28064), (24256, 26310)]